Дебиан 10. Иногда после загрузки нет сети. После перезагрузки появляется. Сейчас можно что либо узнать из логов, уже после того как небыло сети?
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp3s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
link/ether 00:1d:7d:c7:be:43 brd ff:ff:ff:ff:ff:ff
root@debian:/var/log# dmesg | grep enp3s0
[ 1.729977] r8169 0000:03:00.0 enp3s0: renamed from eth0
[ 27.306132] IPv6: ADDRCONF(NETDEV_UP): enp3s0: link is not ready
[ 27.406084] IPv6: ADDRCONF(NETDEV_UP): enp3s0: link is not ready
[ 30.218085] r8169 0000:03:00.0 enp3s0: Link is Up - 100Mbps/Full - flow control rx/tx
[ 30.218099] IPv6: ADDRCONF(NETDEV_CHANGE): enp3s0: link becomes ready
root@debian:/var/log# lspci -k | grep Ethernet
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 01)
Subsystem: Gigabyte Technology Co., Ltd Onboard Ethernet
root@debian:/var/log# systemctl list-units --type service --all | grep -i net
networking.service loaded active exited Raise network interfaces
NetworkManager-wait-online.service loaded inactive dead Network Manager Wait Online
NetworkManager.service loaded active running Network Manager
systemd-networkd.service loaded inactive dead Network Service
systemd-timesyncd.service loaded active running Network Time Synchronization
root@debian:/var/log#