[  478.501690] netdevsim netdevsim283 eni283np1: renamed from eth0
[  478.502559] netdevsim netdevsim669 eni669np1: renamed from eth0
[  478.598732] Could not find device with ifindex 2000 in netnsfd 11
[  478.598826] Could not find netns with fd: 2000
[  478.598873] Cannot link a netdevsim to itself
[  478.598930] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).