[  843.705003][T15670] netdevsim netdevsim499 eni499np1: renamed from eth0
[  843.721045][T15671] netdevsim netdevsim673 eni673np1: renamed from eth1
[  844.455293][T15657] Could not find device with ifindex 2000 in netnsfd 11
[  844.456318][T15657] Could not find netns with fd: 2000
[  844.457157][T15657] Cannot link a netdevsim to itself
[  844.458116][T15657] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).