[  522.548391] netdevsim netdevsim662 eni662np1: renamed from eth1
[  522.647037] netdevsim netdevsim374 eni374np1: renamed from eth0
[  522.890579] Could not find device with ifindex 2000 in netnsfd 11
[  522.890729] Could not find netns with fd: 2000
[  522.890822] Cannot link a netdevsim to itself
[  522.890925] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).