[  522.731895] netdevsim netdevsim424 eni424np1: renamed from eth0
[  522.829459] netdevsim netdevsim656 eni656np1: renamed from eth1
[  523.086349] Could not find device with ifindex 2000 in netnsfd 11
[  523.086533] Could not find netns with fd: 2000
[  523.086616] Cannot link a netdevsim to itself
[  523.086723] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).