[  826.935344][T15655] netdevsim netdevsim394 eni394np1: renamed from eth0
[  826.948697][T15651] netdevsim netdevsim691 eni691np1: renamed from eth1
[  827.622542][T15641] Could not find device with ifindex 2000 in netnsfd 11
[  827.623716][T15641] Could not find netns with fd: 2000
[  827.624212][T15641] Cannot link a netdevsim to itself
[  827.624989][T15641] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).