[  949.425475][T12473] netdevsim netdevsim420 eni420np1: renamed from eth0
[  949.520813][T12590] netdevsim netdevsim763 eni763np1: renamed from eth1
[  950.983861][T12635] Could not find device with ifindex 2000 in netnsfd 11
[  950.984665][T12635] Could not find netns with fd: 2000
[  950.985494][T12635] Cannot link a netdevsim to itself
[  950.991918][T12635] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).