[  487.604043] netdevsim netdevsim395 eni395np1: renamed from eth0
[  487.701386] netdevsim netdevsim753 eni753np1: renamed from eth1
[  487.887848] Could not find device with ifindex 2000 in netnsfd 11
[  487.888057] Could not find netns with fd: 2000
[  487.888129] Cannot link a netdevsim to itself
[  487.888216] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).