[  814.862596][T15810] netdevsim netdevsim400 eni400np1: renamed from eth0
[  814.869323][T15809] netdevsim netdevsim689 eni689np1: renamed from eth1
[  815.499044][T15798] Could not find device with ifindex 2000 in netnsfd 11
[  815.499693][T15798] Could not find netns with fd: 2000
[  815.500653][T15798] Cannot link a netdevsim to itself
[  815.501296][T15798] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).