[  829.027983][T15644] netdevsim netdevsim377 eni377np1: renamed from eth0
[  829.034748][T15642] netdevsim netdevsim630 eni630np1: renamed from eth1
[  829.749689][T15630] Could not find device with ifindex 2000 in netnsfd 11
[  829.750212][T15630] Could not find netns with fd: 2000
[  829.750604][T15630] Cannot link a netdevsim to itself
[  829.751044][T15630] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).