[  695.222361][T13051] netdevsim netdevsim391 eni391np1: renamed from eth0
[  695.243721][T13053] netdevsim netdevsim568 eni568np1: renamed from eth1
[  695.864463][T13039] Could not find device with ifindex 2000 in netnsfd 11
[  695.865291][T13039] Could not find netns with fd: 2000
[  695.865674][T13039] Cannot link a netdevsim to itself
[  695.866148][T13039] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).