My interfaces have been change at each time such as:
root@debian:~# ip a
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 noprefixroute
valid_lft forever preferred_lft forever
2: enp0s31f6: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 54:e1:ad:62:7f:b6 brd ff:ff:ff:ff:ff:ff
altname enx54e1ad627fb6
inet 192.168.1.106/24 brd 192.168.1.255 scope global dynamic noprefixroute enp0s31f6
valid_lft 85643sec preferred_lft 85643sec
inet6 fe80::56e1:adff:fe62:7fb6/64 scope link noprefixroute
valid_lft forever preferred_lft forever
3: wlp58s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 90:61:ae:2a:ba:0c brd ff:ff:ff:ff:ff:ff
altname wlx9061ae2aba0c
inet 192.168.1.101/24 brd 192.168.1.255 scope global dynamic noprefixroute wlp58s0
valid_lft 86118sec preferred_lft 86118sec
inet6 fe80::da91:50c:8e4c:edca/64 scope link noprefixroute
valid_lft forever preferred_lft forever
5: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default
link/ether 02:42:ba:54:98:89 brd ff:ff:ff:ff:ff:ff
inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0
valid_lft forever preferred_lft forever
6: cni0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 52:5b:f0:14:ea:f3 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.1/24 brd 192.168.1.255 scope global cni0
valid_lft forever preferred_lft forever
inet6 fe80::505b:f0ff:fe14:eaf3/64 scope link proto kernel_ll
valid_lft forever preferred_lft forever
8: veth8e220bbf@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master cni0 state UP group default
link/ether 42:fc:80:84:6c:af brd ff:ff:ff:ff:ff:ff link-netns cni-32a311c5-4700-11f3-0270-57ee7beb2e3c
inet6 fe80::40fc:80ff:fe84:6caf/64 scope link proto kernel_ll
valid_lft forever preferred_lft forever
11: veth0ce1ff6d@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master cni0 state UP group default
link/ether f2:61:13:73:a4:14 brd ff:ff:ff:ff:ff:ff link-netns cni-ab8f1c76-d643-2f53-f95f-63df14d5befb
inet6 fe80::f061:13ff:fe73:a414/64 scope link proto kernel_ll
valid_lft forever preferred_lft forever
root@debian:~# ip a
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 noprefixroute
valid_lft forever preferred_lft forever
2: enp0s31f6: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 54:e1:ad:62:7f:b6 brd ff:ff:ff:ff:ff:ff
altname enx54e1ad627fb6
inet 192.168.1.106/24 brd 192.168.1.255 scope global dynamic noprefixroute enp0s31f6
valid_lft 85407sec preferred_lft 85407sec
inet6 fe80::56e1:adff:fe62:7fb6/64 scope link noprefixroute
valid_lft forever preferred_lft forever
3: wlp58s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 90:61:ae:2a:ba:0c brd ff:ff:ff:ff:ff:ff
altname wlx9061ae2aba0c
inet 192.168.1.101/24 brd 192.168.1.255 scope global dynamic noprefixroute wlp58s0
valid_lft 85882sec preferred_lft 85882sec
inet6 fe80::da91:50c:8e4c:edca/64 scope link noprefixroute
valid_lft forever preferred_lft forever
5: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default
link/ether 02:42:ba:54:98:89 brd ff:ff:ff:ff:ff:ff
inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0
valid_lft forever preferred_lft forever
6: cni0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 52:5b:f0:14:ea:f3 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.1/24 brd 192.168.1.255 scope global cni0
valid_lft forever preferred_lft forever
inet6 fe80::505b:f0ff:fe14:eaf3/64 scope link proto kernel_ll
valid_lft forever preferred_lft forever
13: veth950826af@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master cni0 state UP group default
link/ether 0e:4c:78:2f:c7:fa brd ff:ff:ff:ff:ff:ff link-netns cni-ebf2c5c2-b4c2-16f7-5f15-e7448e96201b
inet6 fe80::c4c:78ff:fe2f:c7fa/64 scope link proto kernel_ll
valid_lft forever preferred_lft forever
14: vethc4600184@if2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master cni0 state UP group default
link/ether ae:37:35:6c:9e:15 brd ff:ff:ff:ff:ff:ff link-netns cni-4edfaa3b-99fe-7fb3-32a3-c6834fe6123f
inet6 fe80::ac37:35ff:fe6c:9e15/64 scope link proto kernel_ll
valid_lft forever preferred_lft forever
If see, two last interfaces (veth*) changed at each time when I use ip a
.
All of them are UP
.
How can I use them without changing?
Kubernetes version:
1.31
Installation method:
KUBEADM
Host OS:
debian
CNI and version:
1.5.1