[  744.893492][T14447] netdevsim netdevsim455 eni455np1: renamed from eth0
[  744.904961][T14449] netdevsim netdevsim551 eni551np1: renamed from eth1
[  745.476914][T14435] Could not find device with ifindex 2000 in netnsfd 11
[  745.477817][T14435] Could not find netns with fd: 2000
[  745.478430][T14435] Cannot link a netdevsim to itself
[  745.478931][T14435] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).