[  710.001731][T13076] netdevsim netdevsim390 eni390np1: renamed from eth0
[  710.024100][T13078] netdevsim netdevsim545 eni545np1: renamed from eth1
[  710.671124][T13064] Could not find device with ifindex 2000 in netnsfd 11
[  710.672076][T13064] Could not find netns with fd: 2000
[  710.672458][T13064] Cannot link a netdevsim to itself
[  710.672909][T13064] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).