[  870.722824][T14797] netdevsim netdevsim258 eni258np1: renamed from eth0
[  870.753987][T14800] netdevsim netdevsim560 eni560np1: renamed from eth1
[  871.473842][T14785] Could not find device with ifindex 2000 in netnsfd 11
[  871.475206][T14785] Could not find netns with fd: 2000
[  871.475886][T14785] Cannot link a netdevsim to itself
[  871.476723][T14785] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).