[  717.058481][T13063] netdevsim netdevsim428 eni428np1: renamed from eth0
[  717.072069][T13065] netdevsim netdevsim685 eni685np1: renamed from eth1
[  717.837325][T13051] Could not find device with ifindex 2000 in netnsfd 11
[  717.838709][T13051] Could not find netns with fd: 2000
[  717.839372][T13051] Cannot link a netdevsim to itself
[  717.840180][T13051] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).