我遇到过一个奇怪的事件，这种事件时有发生。一台机器有时会停止响应，然后导致 LAN 网络中断。如果我拔掉它的电源，LAN 又可以正常工作了。我在事件发生前的那一刻追踪了系统日志，看到了很多这样的信息，但我在谷歌上搜索了一下，发现它们似乎并不严重。
你能告诉我在哪里挖掘吗？下面复制的是日志，它发生在凌晨 00:35，然后就死机了，直到早上 08:02，我拔掉机器电源。
我的系统日志：
Oct 3 00:35:55 MY-MACHINE kernel: [20719.879824] vethea172e4: renamed from eth0
Oct 3 00:35:55 MY-MACHINE kernel: [20719.954772] br-37cd44a6d6a2: port 1(veth6b0d7ee) entered disabled state
Oct 3 00:35:55 MY-MACHINE systemd-udevd[13045]: link_config: autonegotiation is unset or enabled, the speed and duplex are not writable.
Oct 3 00:35:55 MY-MACHINE NetworkManager[1256]: [1664732155.0888] manager: (vethea172e4): new Veth device (/org/freedesktop/NetworkManager/Devices/4815)
Oct 3 00:35:55 MY-MACHINE avahi-daemon[1168]: Interface veth6b0d7ee.IPv6 no longer relevant for mDNS.
Oct 3 00:35:55 MY-MACHINE avahi-daemon[1168]: Leaving mDNS multicast group on interface veth6b0d7ee.IPv6 with address fe80::782f:2cff:fe27:f135.
Oct 3 00:35:55 MY-MACHINE kernel: [20719.962138] br-37cd44a6d6a2: port 1(veth6b0d7ee) entered disabled state
Oct 3 00:35:55 MY-MACHINE kernel: [20719.963252] device veth6b0d7ee left promiscuous mode
Oct 3 00:35:55 MY-MACHINE kernel: [20719.963253] br-37cd44a6d6a2: port 1(veth6b0d7ee) entered disabled state
Oct 3 00:35:55 MY-MACHINE avahi-daemon[1168]: Withdrawing address record for fe80::782f:2cff:fe27:f135 on veth6b0d7ee.
Oct 3 00:35:55 MY-MACHINE systemd-udevd[13045]: link_config: autonegotiation is unset or enabled, the speed and duplex are not writable.
Oct 3 00:35:55 MY-MACHINE NetworkManager[1256]: [1664732155.1209] devices added (path: /sys/devices/virtual/net/vethea172e4, iface: vethea172e4)
Oct 3 00:35:55 MY-MACHINE NetworkManager[1256]: [1664732155.1209] device added (path: /sys/devices/virtual/net/vethea172e4, iface: vethea172e4): no ifupdown configuration found.
Oct 3 00:35:55 MY-MACHINE systemd-udevd[13045]: link_config: could not get ethtool features for vethea172e4
Oct 3 00:35:55 MY-MACHINE systemd-udevd[13045]: Could not set offload features of vethea172e4: No such device
Oct 3 00:35:55 MY-MACHINE NetworkManager[1256]: [1664732155.1224] device (veth6b0d7ee): released from master device br-37cd44a6d6a2
Oct 3 00:35:55 MY-MACHINE NetworkManager[1256]: [1664732155.1228] devices removed (path: /sys/devices/virtual/net/veth6b0d7ee, iface: veth6b0d7ee)
Oct 3 00:35:55 MY-MACHINE gnome-shell[2069]: Removing a network device that was not added
Oct 3 00:35:55 MY-MACHINE gnome-shell[2069]: Removing a network device that was not added
Oct 3 00:35:55 MY-MACHINE NetworkManager[1256]: [1664732155.1239] devices removed (path: /sys/devices/virtual/net/vethea172e4, iface: vethea172e4)
Oct 3 08:02:52 MY-MACHINE systemd-modules-load[369]: Inserted module 'lp'
Oct 3 08:02:52 MY-MACHINE systemd-modules-load[369]: Inserted module 'ppdev'
Oct 3 08:02:52 MY-MACHINE systemd-modules-load[369]: Inserted module 'parport_pc'
Oct 3 08:02:52 MY-MACHINE keyboard-setup.sh[352]: cannot open file /run/tmpkbd.MHTeaJ
Oct 3 08:02:52 MY-MACHINE systemd[1]: Starting Flush Journal to Persistent Storage...
Oct 3 08:02:52 MY-MACHINE systemd[1]: Started udev Kernel Device Manager.