[  705.103330][T13029] netdevsim netdevsim434 eni434np1: renamed from eth0
[  705.128567][T13031] netdevsim netdevsim622 eni622np1: renamed from eth1
[  705.733429][T13017] Could not find device with ifindex 2000 in netnsfd 11
[  705.734280][T13017] Could not find netns with fd: 2000
[  705.734685][T13017] Cannot link a netdevsim to itself
[  705.735139][T13017] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).