[  808.323829][T15685] netdevsim netdevsim603 eni603np1: renamed from eth1
[  808.346015][T15686] netdevsim netdevsim493 eni493np1: renamed from eth0
[  809.062395][T15672] Could not find device with ifindex 2000 in netnsfd 11
[  809.063091][T15672] Could not find netns with fd: 2000
[  809.063627][T15672] Cannot link a netdevsim to itself
[  809.064232][T15672] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).