[  713.880494][T13047] netdevsim netdevsim313 eni313np1: renamed from eth0
[  713.914515][T13049] netdevsim netdevsim691 eni691np1: renamed from eth1
[  714.628455][T13035] Could not find device with ifindex 2000 in netnsfd 11
[  714.629466][T13035] Could not find netns with fd: 2000
[  714.629942][T13035] Cannot link a netdevsim to itself
[  714.630513][T13035] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).