[  842.410966][T14638] netdevsim netdevsim326 eni326np1: renamed from eth0
[  842.416394][T14640] netdevsim netdevsim666 eni666np1: renamed from eth1
[  843.046098][T14626] Could not find device with ifindex 2000 in netnsfd 11
[  843.047044][T14626] Could not find netns with fd: 2000
[  843.047589][T14626] Cannot link a netdevsim to itself
[  843.048156][T14626] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).