[  725.130930][T13042] netdevsim netdevsim409 eni409np1: renamed from eth0
[  725.146227][T13044] netdevsim netdevsim663 eni663np1: renamed from eth1
[  725.755658][T13030] Could not find device with ifindex 2000 in netnsfd 11
[  725.756477][T13030] Could not find netns with fd: 2000
[  725.756892][T13030] Cannot link a netdevsim to itself
[  725.760384][T13030] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).