我在 Raspberry Pi 4 4GB 上安装了 Ubuntu 服务器 21.10 64 位。在此 Raspberry Pi 上,我遇到随机崩溃,导致我无法再连接到我的 Raspberry Pi(可能无关)。当我查看内核消息(dmesg -r)时,我看到每 5 分钟返回一次相同的消息。
...
[249091.255763] eth0: renamed from tmpc36f4
[249091.293783] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[249091.293956] IPv6: ADDRCONF(NETDEV_CHANGE): lxc22c7742d2763: link becomes ready
[249391.153844] eth0: renamed from tmpd8d60
[249391.174580] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[249391.174728] IPv6: ADDRCONF(NETDEV_CHANGE): lxc550774b3dde9: link becomes ready
[249691.143024] eth0: renamed from tmp8f13e
[249691.162612] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[249691.162734] IPv6: ADDRCONF(NETDEV_CHANGE): lxc8c4908ef491c: link becomes ready
目前我不知道这是否会造成任何损害,我想找到原因。有人知道是什么原因造成的,如何修复或如何排除故障吗?
编辑:输出ip monitor link
1781: tmpb665a@NONE: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default
link/ether 46:ac:aa:96:3d:a7 brd ff:ff:ff:ff:ff:ff
1782: lxcdabfd2241823@tmpb665a: <BROADCAST,MULTICAST,M-DOWN> mtu 1500 qdisc noop state DOWN group default
link/ether 2e:5c:07:51:5d:57 brd ff:ff:ff:ff:ff:ff
1782: lxcdabfd2241823@tmpb665a: <NO-CARRIER,BROADCAST,MULTICAST,UP,M-DOWN> mtu 1500 qdisc noqueue state LOWERLAYERDOWN group default
link/ether 2e:5c:07:51:5d:57 brd ff:ff:ff:ff:ff:ff
Deleted 1781: tmpb665a@lxcdabfd2241823: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default
link/ether 46:ac:aa:96:3d:a7 brd ff:ff:ff:ff:ff:ff new-netnsid 1 new-ifindex 1781
1782: lxcdabfd2241823@if1781: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default
link/ether 2e:5c:07:51:5d:57 brd ff:ff:ff:ff:ff:ff link-netnsid 1
1782: lxcdabfd2241823@NONE: <BROADCAST,MULTICAST> mtu 1500 qdisc noqueue state DOWN group default
link/ether 2e:5c:07:51:5d:57 brd ff:ff:ff:ff:ff:ff
Deleted 1782: lxcdabfd2241823@NONE: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default
link/ether 2e:5c:07:51:5d:57 brd ff:ff:ff:ff:ff:ff
输出udevadm monitor --kernel
KERNEL[265289.275809] add /devices/virtual/net/tmp650b2 (net)
KERNEL[265289.275952] add /devices/virtual/net/tmp650b2/queues/rx-0 (queues)
KERNEL[265289.276071] add /devices/virtual/net/tmp650b2/queues/tx-0 (queues)
KERNEL[265289.276687] add /devices/virtual/net/lxc2eea12d7a087 (net)
KERNEL[265289.276904] add /devices/virtual/net/lxc2eea12d7a087/queues/rx-0 (queues)
KERNEL[265289.277001] add /devices/virtual/net/lxc2eea12d7a087/queues/tx-0 (queues)
KERNEL[265289.312440] remove /devices/virtual/net/tmp650b2 (net)
KERNEL[265292.025539] remove /devices/virtual/net/lxc2eea12d7a087/queues/rx-0 (queues)
KERNEL[265292.027185] remove /devices/virtual/net/lxc2eea12d7a087/queues/tx-0 (queues)
KERNEL[265292.028565] remove /devices/virtual/net/lxc2eea12d7a087 (net)