[  541.770824] netdevsim netdevsim479 eni479np1: renamed from eth0
[  541.872561] netdevsim netdevsim671 eni671np1: renamed from eth1
[  542.250782] Could not find device with ifindex 2000 in netnsfd 11
[  542.250973] Could not find netns with fd: 2000
[  542.251073] Cannot link a netdevsim to itself
[  542.251203] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).