[  789.669223][T14777] netdevsim netdevsim302 eni302np1: renamed from eth0
[  789.692422][T14779] netdevsim netdevsim512 eni512np1: renamed from eth1
[  790.261856][T14765] Could not find device with ifindex 2000 in netnsfd 11
[  790.262488][T14765] Could not find netns with fd: 2000
[  790.262973][T14765] Cannot link a netdevsim to itself
[  790.263513][T14765] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).