[  661.317574][T10999] netdevsim netdevsim389 eni389np1: renamed from eth0
[  661.422962][T11000] netdevsim netdevsim595 eni595np1: renamed from eth1
[  663.189188][T10991] Could not find device with ifindex 2000 in netnsfd 11
[  663.190064][T10991] Could not find netns with fd: 2000
[  663.190721][T10991] Cannot link a netdevsim to itself
[  663.191450][T10991] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).