[  521.893722] netdevsim netdevsim558 eni558np1: renamed from eth1
[  521.991712] netdevsim netdevsim277 eni277np1: renamed from eth0
[  522.202596] Could not find device with ifindex 2000 in netnsfd 11
[  522.202770] Could not find netns with fd: 2000
[  522.202854] Cannot link a netdevsim to itself
[  522.202962] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).