[  522.012428] netdevsim netdevsim704 eni704np1: renamed from eth1
[  522.108450] netdevsim netdevsim483 eni483np1: renamed from eth0
[  522.345446] Could not find device with ifindex 2000 in netnsfd 11
[  522.345669] Could not find netns with fd: 2000
[  522.345758] Cannot link a netdevsim to itself
[  522.345874] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).