[  489.258996] netdevsim netdevsim751 eni751np1: renamed from eth1
[  489.355589] netdevsim netdevsim432 eni432np1: renamed from eth0
[  489.563129] Could not find device with ifindex 2000 in netnsfd 11
[  489.563422] Could not find netns with fd: 2000
[  489.563527] Cannot link a netdevsim to itself
[  489.563632] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).