[  489.204438] netdevsim netdevsim372 eni372np1: renamed from eth0
[  489.302009] netdevsim netdevsim664 eni664np1: renamed from eth1
[  489.519569] Could not find device with ifindex 2000 in netnsfd 11
[  489.519768] Could not find netns with fd: 2000
[  489.519848] Cannot link a netdevsim to itself
[  489.519936] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).