[  704.032540][T13027] netdevsim netdevsim409 eni409np1: renamed from eth0
[  704.060469][T13029] netdevsim netdevsim561 eni561np1: renamed from eth1
[  704.667642][T13015] Could not find device with ifindex 2000 in netnsfd 11
[  704.668480][T13015] Could not find netns with fd: 2000
[  704.668873][T13015] Cannot link a netdevsim to itself
[  704.669343][T13015] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).