[  478.083460] netdevsim netdevsim438 eni438np1: renamed from eth0
[  478.084081] netdevsim netdevsim754 eni754np1: renamed from eth1
[  478.184256] Could not find device with ifindex 2000 in netnsfd 11
[  478.184349] Could not find netns with fd: 2000
[  478.184397] Cannot link a netdevsim to itself
[  478.184463] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).