[  522.135092] netdevsim netdevsim570 eni570np1: renamed from eth1
[  522.230900] netdevsim netdevsim330 eni330np1: renamed from eth0
[  522.493567] Could not find device with ifindex 2000 in netnsfd 11
[  522.493777] Could not find netns with fd: 2000
[  522.493931] Cannot link a netdevsim to itself
[  522.494022] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).