[  489.773633] netdevsim netdevsim384 eni384np1: renamed from eth0
[  489.774189] netdevsim netdevsim532 eni532np1: renamed from eth1
[  489.847501] Could not find device with ifindex 2000 in netnsfd 11
[  489.847644] Could not find netns with fd: 2000
[  489.847768] Cannot link a netdevsim to itself
[  489.847892] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).