[  800.453948][T14589] netdevsim netdevsim412 eni412np1: renamed from eth0
[  800.476444][T14592] netdevsim netdevsim570 eni570np1: renamed from eth1
[  801.110812][T14577] Could not find device with ifindex 2000 in netnsfd 11
[  801.111607][T14577] Could not find netns with fd: 2000
[  801.111995][T14577] Cannot link a netdevsim to itself
[  801.112422][T14577] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).