[  485.137405] netdevsim netdevsim394 eni394np1: renamed from eth0
[  485.238325] netdevsim netdevsim716 eni716np1: renamed from eth1
[  485.545305] Could not find device with ifindex 2000 in netnsfd 11
[  485.545458] Could not find netns with fd: 2000
[  485.545537] Cannot link a netdevsim to itself
[  485.545624] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).