Network not working after latest update

So yesterday I installed the latest updates and rebootet. Since then I cannot connect to anything in my network anymore.

I just see the adapter connects forever and throws me than this error:

Wired Interface (enp3s0)
Ip Configuration was unavailable.

What can I do downgrade some package?

inxi -Fazy

[sandro@sandro-pc ~]$ inxi -Fazy
System:
Kernel: 5.9.3-1-MANJARO x86_64 bits: 64 compiler: gcc v: 10.2.0
parameters: BOOT_IMAGE=/boot/vmlinuz-5.9-x86_64
root=UUID=7c58d8b7-b2a0-4bd7-8d9b-b0b6839bee79 rw quiet udev.log_priority=3
Desktop: KDE Plasma 5.20.2 tk: Qt 5.15.1 wm: kwin_x11 dm: SDDM
Distro: Manjaro Linux
Machine:
Type: Desktop System: ASUS product: All Series v: N/A serial:
Mobo: ASUSTeK model: H87-PLUS v: Rev X.0x serial:
BIOS: American Megatrends v: 0502 date: 07/16/2013
CPU:
Info: Quad Core model: Intel Core i5-4670K bits: 64 type: MCP arch: Haswell
family: 6 model-id: 3C (60) stepping: 3 microcode: 28 L2 cache: 6144 KiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
bogomips: 27149
Speed: 3392 MHz min/max: 800/3800 MHz Core speeds (MHz): 1: 3392 2: 2998
3: 3374 4: 3225
Vulnerabilities: Type: itlb_multihit status: KVM: VMX disabled
Type: l1tf
mitigation: PTE Inversion; VMX: conditional cache flushes, SMT disabled
Type: mds mitigation: Clear CPU buffers; SMT disabled
Type: meltdown mitigation: PTI
Type: spec_store_bypass
mitigation: Speculative Store Bypass disabled via prctl and seccomp
Type: spectre_v1
mitigation: usercopy/swapgs barriers and __user pointer sanitization
Type: spectre_v2 mitigation: Full generic retpoline, IBPB: conditional,
IBRS_FW, STIBP: disabled, RSB filling
Type: srbds mitigation: Microcode
Type: tsx_async_abort status: Not affected
Graphics:
Device-1: NVIDIA TU117 [GeForce GTX 1650] vendor: Micro-Star MSI
driver: nvidia v: 450.80.02 alternate: nouveau,nvidia_drm bus ID: 01:00.0
chip ID: 10de:1f82
Display: x11 server: X.Org 1.20.9 compositor: kwin_x11 driver: nvidia
display ID: :0 screens: 1
Screen-1: 0 s-res: 3840x1080 s-dpi: 81 s-size: 1204x343mm (47.4x13.5")
s-diag: 1252mm (49.3")
Monitor-1: DP-1 res: 1920x1080 hz: 60 dpi: 82 size: 598x336mm (23.5x13.2")
diag: 686mm (27")
Monitor-2: HDMI-0 res: 1920x1080 hz: 60 dpi: 94 size: 521x293mm (20.5x11.5")
diag: 598mm (23.5")
OpenGL: renderer: GeForce GTX 1650/PCIe/SSE2 v: 4.6.0 NVIDIA 450.80.02
direct render: Yes
Audio:
Device-1: Intel 8 Series/C220 Series High Definition Audio vendor: ASUSTeK
driver: snd_hda_intel v: kernel bus ID: 00:1b.0 chip ID: 8086:8c20
Device-2: NVIDIA vendor: Micro-Star MSI driver: snd_hda_intel v: kernel
bus ID: 01:00.1 chip ID: 10de:10fa
Sound Server: ALSA v: k5.9.3-1-MANJARO
Network:
Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet
vendor: ASUSTeK driver: r8169 v: kernel port: d000 bus ID: 03:00.0
chip ID: 10ec:8168
IF: enp3s0 state: up speed: 1000 Mbps duplex: full mac:
Drives:
Local Storage: total: 1.15 TiB used: 262.46 GiB (22.3%)
SMART Message: Unable to run smartctl. Root privileges required.
ID-1: /dev/sda vendor: Samsung model: SSD 850 EVO 500GB size: 465.76 GiB
block size: physical: 512 B logical: 512 B speed: 6.0 Gb/s serial:
rev: 3B6Q scheme: MBR
ID-2: /dev/sdb vendor: Samsung model: SSD 840 Series size: 232.89 GiB
block size: physical: 512 B logical: 512 B speed: 6.0 Gb/s serial:
rev: AB0Q scheme: MBR
ID-3: /dev/sdc vendor: Samsung model: SSD 860 EVO 500GB size: 465.76 GiB
block size: physical: 512 B logical: 512 B speed: 6.0 Gb/s serial:
rev: 1B6Q scheme: MBR
ID-4: /dev/sdd type: USB vendor: Kingston model: DataTraveler 2.0
size: 14.42 GiB block size: physical: 512 B logical: 512 B serial:
rev: PMAP scheme: MBR
SMART Message: Unknown USB bridge. Flash drive/Unsupported enclosure?
Partition:
ID-1: / raw size: 46.57 GiB size: 45.58 GiB (97.89%) used: 18.03 GiB (39.5%)
fs: ext4 dev: /dev/sdc1
ID-2: /home raw size: 404.19 GiB size: 396.85 GiB (98.18%)
used: 244.43 GiB (61.6%) fs: ext4 dev: /dev/sdc5
Swap:
Alert: No Swap data was found.
Sensors:
System Temperatures: cpu: 29.8 C mobo: 27.8 C gpu: nvidia temp: 42 C
Fan Speeds (RPM): N/A gpu: nvidia fan: 0%
Info:
Processes: 216 Uptime: 2m Memory: 15.58 GiB used: 1.37 GiB (8.8%)
Init: systemd v: 246 Compilers: gcc: 10.2.0 clang: 10.0.1 Packages:
pacman: 1238 lib: 349 Shell: Bash v: 5.0.18 running in: konsole inxi: 3.1.08
[sandro@sandro-pc ~]$

Network log until the error comes:

journalctl -b - u NetworkManager

[sandro@sandro-pc ~]$ sudo journalctl -b -u NetworkManager
[sudo] password for sandro:
– Logs begin at Sun 2020-08-23 10:29:54 CEST, end at Sat 2020-11-07 09:53:22 CET. –
Nov 07 09:51:46 sandro-pc systemd[1]: Starting Network Manager…
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.6452] NetworkManager (version 1.26.4-1) is starting… (for the first >
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.6454] Read config: /etc/NetworkManager/NetworkManager.conf (lib: 20-co>
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.6488] bus-manager: acquired D-Bus service "org.freedesktop.NetworkMana>
Nov 07 09:51:46 sandro-pc systemd[1]: Started Network Manager.
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.6536] manager[0x55f89f383030]: monitoring kernel firmware directory '/>
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9056] hostname: hostname: using hostnamed
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9057] hostname: hostname changed from (none) to “sandro-pc”
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9061] dns-mgr[0x55f89f33e220]: init: dns=default,systemd-resolved rc-m>
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9063] manager[0x55f89f383030]: rfkill: Wi-Fi hardware radio set enabled
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9063] manager[0x55f89f383030]: rfkill: WWAN hardware radio set enabled
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9214] Loaded device plugin: NMTeamFactory (/usr/lib/NetworkManager/1.2>
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9224] Loaded device plugin: NMAtmManager (/usr/lib/NetworkManager/1.26>
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9233] Loaded device plugin: NMWifiFactory (/usr/lib/NetworkManager/1.2>
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9265] Loaded device plugin: NMBluezManager (/usr/lib/NetworkManager/1.>
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9272] Loaded device plugin: NMOvsFactory (/usr/lib/NetworkManager/1.26>
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9278] Loaded device plugin: NMWwanFactory (/usr/lib/NetworkManager/1.2>
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9280] manager: rfkill: Wi-Fi enabled by radio killswitch; enabled by s>
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9281] manager: rfkill: WWAN enabled by radio killswitch; enabled by st>
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9282] manager: Networking is enabled by state file
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9286] dhcp-init: Using DHCP client ‘internal’
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9293] settings: Loaded settings plugin: keyfile (internal)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9321] device (lo): carrier: link connected
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9322] manager: (lo): new Generic device (/org/freedesktop/NetworkManag>
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9331] manager: (enp3s0): new Ethernet device (/org/freedesktop/Network>
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9338] device (enp3s0): state change: unmanaged -> unavailable (reason >
Nov 07 09:51:47 sandro-pc NetworkManager[430]: [1604739107.1509] ovsdb: Could not connect: No such file or directory
Nov 07 09:51:47 sandro-pc NetworkManager[430]: [1604739107.1527] modem-manager: ModemManager available
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7805] device (enp3s0): carrier: link connected
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7812] device (enp3s0): state change: unavailable -> disconnected (reas>
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7829] policy: auto-activating connection ‘Wired connection 1’ (51ed38e>
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7844] device (enp3s0): Activation: starting connection 'Wired connecti>
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7847] device (enp3s0): state change: disconnected -> prepare (reason '>
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7855] manager: NetworkManager state is now CONNECTING
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7860] device (enp3s0): state change: prepare -> config (reason ‘none’,>
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7871] device (enp3s0): state change: config -> ip-config (reason 'none>
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7880] dhcp4 (enp3s0): activation: beginning transaction (timeout in 45>
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1213] dhcp4 (enp3s0): request timed out
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1213] dhcp4 (enp3s0): state changed unknown -> timeout
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1213] device (enp3s0): state change: ip-config -> failed (reason 'ip-c>
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1216] manager: NetworkManager state is now DISCONNECTED
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1232] device (enp3s0): Activation: failed for connection 'Wired connec>
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1238] device (enp3s0): state change: failed -> disconnected (reason 'n>
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1246] dhcp4 (enp3s0): canceled DHCP transaction
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1246] dhcp4 (enp3s0): state changed timeout -> done
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1252] policy: auto-activating connection ‘Wired connection 1’ (51ed38e>
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1257] device (enp3s0): Activation: starting connection 'Wired connecti>
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1258] device (enp3s0): state change: disconnected -> prepare (reason '>
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1259] manager: NetworkManager state is now CONNECTING
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1260] device (enp3s0): state change: prepare -> config (reason ‘none’,>
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1263] device (enp3s0): state change: config -> ip-config (reason 'none>
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1265] dhcp4 (enp3s0): activation: beginning transaction (timeout in 45>
lines 1-53…skipping…
– Logs begin at Sun 2020-08-23 10:29:54 CEST, end at Sat 2020-11-07 09:53:22 CET. –
Nov 07 09:51:46 sandro-pc systemd[1]: Starting Network Manager…
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.6452] NetworkManager (version 1.26.4-1) is starting… (for the first time)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.6454] Read config: /etc/NetworkManager/NetworkManager.conf (lib: 20-connectivity.conf)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.6488] bus-manager: acquired D-Bus service “org.freedesktop.NetworkManager”
Nov 07 09:51:46 sandro-pc systemd[1]: Started Network Manager.
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.6536] manager[0x55f89f383030]: monitoring kernel firmware directory ‘/lib/firmware’.
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9056] hostname: hostname: using hostnamed
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9057] hostname: hostname changed from (none) to “sandro-pc”
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9061] dns-mgr[0x55f89f33e220]: init: dns=default,systemd-resolved rc-manager=symlink
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9063] manager[0x55f89f383030]: rfkill: Wi-Fi hardware radio set enabled
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9063] manager[0x55f89f383030]: rfkill: WWAN hardware radio set enabled
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9214] Loaded device plugin: NMTeamFactory (/usr/lib/NetworkManager/1.26.4-1/libnm-device-plugin-team.so)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9224] Loaded device plugin: NMAtmManager (/usr/lib/NetworkManager/1.26.4-1/libnm-device-plugin-adsl.so)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9233] Loaded device plugin: NMWifiFactory (/usr/lib/NetworkManager/1.26.4-1/libnm-device-plugin-wifi.so)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9265] Loaded device plugin: NMBluezManager (/usr/lib/NetworkManager/1.26.4-1/libnm-device-plugin-bluetooth.so)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9272] Loaded device plugin: NMOvsFactory (/usr/lib/NetworkManager/1.26.4-1/libnm-device-plugin-ovs.so)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9278] Loaded device plugin: NMWwanFactory (/usr/lib/NetworkManager/1.26.4-1/libnm-device-plugin-wwan.so)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9280] manager: rfkill: Wi-Fi enabled by radio killswitch; enabled by state file
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9281] manager: rfkill: WWAN enabled by radio killswitch; enabled by state file
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9282] manager: Networking is enabled by state file
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9286] dhcp-init: Using DHCP client ‘internal’
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9293] settings: Loaded settings plugin: keyfile (internal)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9321] device (lo): carrier: link connected
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9322] manager: (lo): new Generic device (/org/freedesktop/NetworkManager/Devices/1)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9331] manager: (enp3s0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/2)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9338] device (enp3s0): state change: unmanaged -> unavailable (reason ‘managed’, sys-iface-state: ‘external’)
Nov 07 09:51:47 sandro-pc NetworkManager[430]: [1604739107.1509] ovsdb: Could not connect: No such file or directory
Nov 07 09:51:47 sandro-pc NetworkManager[430]: [1604739107.1527] modem-manager: ModemManager available
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7805] device (enp3s0): carrier: link connected
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7812] device (enp3s0): state change: unavailable -> disconnected (reason ‘carrier-changed’, sys-iface-state: ‘managed’)
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7829] policy: auto-activating connection ‘Wired connection 1’ (51ed38e7-ef27-37dc-b084-9e46749bf67d)
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7844] device (enp3s0): Activation: starting connection ‘Wired connection 1’ (51ed38e7-ef27-37dc-b084-9e46749bf67d)
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7847] device (enp3s0): state change: disconnected -> prepare (reason ‘none’, sys-iface-state: ‘managed’)
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7855] manager: NetworkManager state is now CONNECTING
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7860] device (enp3s0): state change: prepare -> config (reason ‘none’, sys-iface-state: ‘managed’)
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7871] device (enp3s0): state change: config -> ip-config (reason ‘none’, sys-iface-state: ‘managed’)
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7880] dhcp4 (enp3s0): activation: beginning transaction (timeout in 45 seconds)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1213] dhcp4 (enp3s0): request timed out
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1213] dhcp4 (enp3s0): state changed unknown -> timeout
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1213] device (enp3s0): state change: ip-config -> failed (reason ‘ip-config-unavailable’, sys-iface-state: ‘managed’)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1216] manager: NetworkManager state is now DISCONNECTED
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1232] device (enp3s0): Activation: failed for connection ‘Wired connection 1’
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1238] device (enp3s0): state change: failed -> disconnected (reason ‘none’, sys-iface-state: ‘managed’)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1246] dhcp4 (enp3s0): canceled DHCP transaction
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1246] dhcp4 (enp3s0): state changed timeout -> done
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1252] policy: auto-activating connection ‘Wired connection 1’ (51ed38e7-ef27-37dc-b084-9e46749bf67d)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1257] device (enp3s0): Activation: starting connection ‘Wired connection 1’ (51ed38e7-ef27-37dc-b084-9e46749bf67d)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1258] device (enp3s0): state change: disconnected -> prepare (reason ‘none’, sys-iface-state: ‘managed’)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1259] manager: NetworkManager state is now CONNECTING
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1260] device (enp3s0): state change: prepare -> config (reason ‘none’, sys-iface-state: ‘managed’)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1263] device (enp3s0): state change: config -> ip-config (reason ‘none’, sys-iface-state: ‘managed’)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1265] dhcp4 (enp3s0): activation: beginning transaction (timeout in 45 seconds)
Nov 07 09:52:38 sandro-pc NetworkManager[430]: [1604739158.6838] agent-manager: agent[64dd179fd2c07eba,:1.62/org.kde.plasma.networkmanagement/1000]: agent registered
lines 1-54…skipping…
– Logs begin at Sun 2020-08-23 10:29:54 CEST, end at Sat 2020-11-07 09:53:22 CET. –
Nov 07 09:51:46 sandro-pc systemd[1]: Starting Network Manager…
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.6452] NetworkManager (version 1.26.4-1) is starting… (for the first time)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.6454] Read config: /etc/NetworkManager/NetworkManager.conf (lib: 20-connectivity.conf)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.6488] bus-manager: acquired D-Bus service “org.freedesktop.NetworkManager”
Nov 07 09:51:46 sandro-pc systemd[1]: Started Network Manager.
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.6536] manager[0x55f89f383030]: monitoring kernel firmware directory ‘/lib/firmware’.
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9056] hostname: hostname: using hostnamed
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9057] hostname: hostname changed from (none) to “sandro-pc”
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9061] dns-mgr[0x55f89f33e220]: init: dns=default,systemd-resolved rc-manager=symlink
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9063] manager[0x55f89f383030]: rfkill: Wi-Fi hardware radio set enabled
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9063] manager[0x55f89f383030]: rfkill: WWAN hardware radio set enabled
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9214] Loaded device plugin: NMTeamFactory (/usr/lib/NetworkManager/1.26.4-1/libnm-device-plugin-team.so)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9224] Loaded device plugin: NMAtmManager (/usr/lib/NetworkManager/1.26.4-1/libnm-device-plugin-adsl.so)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9233] Loaded device plugin: NMWifiFactory (/usr/lib/NetworkManager/1.26.4-1/libnm-device-plugin-wifi.so)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9265] Loaded device plugin: NMBluezManager (/usr/lib/NetworkManager/1.26.4-1/libnm-device-plugin-bluetooth.so)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9272] Loaded device plugin: NMOvsFactory (/usr/lib/NetworkManager/1.26.4-1/libnm-device-plugin-ovs.so)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9278] Loaded device plugin: NMWwanFactory (/usr/lib/NetworkManager/1.26.4-1/libnm-device-plugin-wwan.so)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9280] manager: rfkill: Wi-Fi enabled by radio killswitch; enabled by state file
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9281] manager: rfkill: WWAN enabled by radio killswitch; enabled by state file
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9282] manager: Networking is enabled by state file
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9286] dhcp-init: Using DHCP client ‘internal’
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9293] settings: Loaded settings plugin: keyfile (internal)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9321] device (lo): carrier: link connected
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9322] manager: (lo): new Generic device (/org/freedesktop/NetworkManager/Devices/1)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9331] manager: (enp3s0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/2)
Nov 07 09:51:46 sandro-pc NetworkManager[430]: [1604739106.9338] device (enp3s0): state change: unmanaged -> unavailable (reason ‘managed’, sys-iface-state: ‘external’)
Nov 07 09:51:47 sandro-pc NetworkManager[430]: [1604739107.1509] ovsdb: Could not connect: No such file or directory
Nov 07 09:51:47 sandro-pc NetworkManager[430]: [1604739107.1527] modem-manager: ModemManager available
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7805] device (enp3s0): carrier: link connected
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7812] device (enp3s0): state change: unavailable -> disconnected (reason ‘carrier-changed’, sys-iface-state: ‘managed’)
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7829] policy: auto-activating connection ‘Wired connection 1’ (51ed38e7-ef27-37dc-b084-9e46749bf67d)
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7844] device (enp3s0): Activation: starting connection ‘Wired connection 1’ (51ed38e7-ef27-37dc-b084-9e46749bf67d)
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7847] device (enp3s0): state change: disconnected -> prepare (reason ‘none’, sys-iface-state: ‘managed’)
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7855] manager: NetworkManager state is now CONNECTING
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7860] device (enp3s0): state change: prepare -> config (reason ‘none’, sys-iface-state: ‘managed’)
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7871] device (enp3s0): state change: config -> ip-config (reason ‘none’, sys-iface-state: ‘managed’)
Nov 07 09:51:49 sandro-pc NetworkManager[430]: [1604739109.7880] dhcp4 (enp3s0): activation: beginning transaction (timeout in 45 seconds)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1213] dhcp4 (enp3s0): request timed out
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1213] dhcp4 (enp3s0): state changed unknown -> timeout
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1213] device (enp3s0): state change: ip-config -> failed (reason ‘ip-config-unavailable’, sys-iface-state: ‘managed’)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1216] manager: NetworkManager state is now DISCONNECTED
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1232] device (enp3s0): Activation: failed for connection ‘Wired connection 1’
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1238] device (enp3s0): state change: failed -> disconnected (reason ‘none’, sys-iface-state: ‘managed’)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1246] dhcp4 (enp3s0): canceled DHCP transaction
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1246] dhcp4 (enp3s0): state changed timeout -> done
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1252] policy: auto-activating connection ‘Wired connection 1’ (51ed38e7-ef27-37dc-b084-9e46749bf67d)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1257] device (enp3s0): Activation: starting connection ‘Wired connection 1’ (51ed38e7-ef27-37dc-b084-9e46749bf67d)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1258] device (enp3s0): state change: disconnected -> prepare (reason ‘none’, sys-iface-state: ‘managed’)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1259] manager: NetworkManager state is now CONNECTING
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1260] device (enp3s0): state change: prepare -> config (reason ‘none’, sys-iface-state: ‘managed’)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1263] device (enp3s0): state change: config -> ip-config (reason ‘none’, sys-iface-state: ‘managed’)
Nov 07 09:52:35 sandro-pc NetworkManager[430]: [1604739155.1265] dhcp4 (enp3s0): activation: beginning transaction (timeout in 45 seconds)
Nov 07 09:52:38 sandro-pc NetworkManager[430]: [1604739158.6838] agent-manager: agent[64dd179fd2c07eba,:1.62/org.kde.plasma.networkmanagement/1000]: agent registered
Nov 07 09:53:20 sandro-pc NetworkManager[430]: [1604739200.1279] dhcp4 (enp3s0): request timed out
lines 1-55

the issue was i only choosed reboot after the upates.

I choosed shutdown to turn the computer off complete and turned it back on and now it works.

what a stupid issue…

Sandro, I am glad you found the solution. My Mint 20,
I must have spent 20 plus hours trying to fix the network
issues.

I also have similar issue. Randomly, when I boot my PC, my ethernet connection becomes unavailable. If I reboot again, it becomes available. This should be reported as a bug, since rebooting is obviously NOT a solution for this - it’s only a temporary workaround.