[  489.059485] netdevsim netdevsim767 eni767np1: renamed from eth1
[  489.159738] netdevsim netdevsim424 eni424np1: renamed from eth0
[  489.486398] Could not find device with ifindex 2000 in netnsfd 11
[  489.486563] Could not find netns with fd: 2000
[  489.486643] Cannot link a netdevsim to itself
[  489.486729] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).