[  728.024777][T13069] netdevsim netdevsim454 eni454np1: renamed from eth0
[  728.052335][T13072] netdevsim netdevsim625 eni625np1: renamed from eth1
[  728.678049][T13057] Could not find device with ifindex 2000 in netnsfd 11
[  728.678885][T13057] Could not find netns with fd: 2000
[  728.679262][T13057] Cannot link a netdevsim to itself
[  728.679731][T13057] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).