[  478.053790] netdevsim netdevsim477 eni477np1: renamed from eth0
[  478.054310] netdevsim netdevsim586 eni586np1: renamed from eth1
[  478.132408] Could not find device with ifindex 2000 in netnsfd 11
[  478.132489] Could not find netns with fd: 2000
[  478.132528] Cannot link a netdevsim to itself
[  478.132573] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).