[  847.086315][T15801] netdevsim netdevsim456 eni456np1: renamed from eth0
[  847.092316][T15802] netdevsim netdevsim668 eni668np1: renamed from eth1
[  847.817406][T15788] Could not find device with ifindex 2000 in netnsfd 11
[  847.818488][T15788] Could not find netns with fd: 2000
[  847.819108][T15788] Cannot link a netdevsim to itself
[  847.819621][T15788] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).