[  488.916236] netdevsim netdevsim386 eni386np1: renamed from eth0
[  489.012266] netdevsim netdevsim574 eni574np1: renamed from eth1
[  489.248770] Could not find device with ifindex 2000 in netnsfd 11
[  489.249149] Could not find netns with fd: 2000
[  489.249296] Cannot link a netdevsim to itself
[  489.249457] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).