[  752.679189][T14608] netdevsim netdevsim422 eni422np1: renamed from eth0
[  752.699225][T14611] netdevsim netdevsim574 eni574np1: renamed from eth1
[  753.250215][T14596] Could not find device with ifindex 2000 in netnsfd 11
[  753.250781][T14596] Could not find netns with fd: 2000
[  753.251228][T14596] Cannot link a netdevsim to itself
[  753.251735][T14596] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).