[  880.880110][T15798] netdevsim netdevsim571 eni571np1: renamed from eth1
[  880.886515][T15797] netdevsim netdevsim440 eni440np1: renamed from eth0
[  881.893717][T15786] Could not find device with ifindex 2000 in netnsfd 11
[  881.895145][T15786] Could not find netns with fd: 2000
[  881.896144][T15786] Cannot link a netdevsim to itself
[  881.897055][T15786] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).