[  478.090267] netdevsim netdevsim477 eni477np1: renamed from eth0
[  478.091055] netdevsim netdevsim542 eni542np1: renamed from eth1
[  478.197058] Could not find device with ifindex 2000 in netnsfd 11
[  478.197153] Could not find netns with fd: 2000
[  478.197194] Cannot link a netdevsim to itself
[  478.197244] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).