[  517.197224] netdevsim netdevsim735 eni735np1: renamed from eth1
[  517.293625] netdevsim netdevsim487 eni487np1: renamed from eth0
[  517.527762] Could not find device with ifindex 2000 in netnsfd 11
[  517.527919] Could not find netns with fd: 2000
[  517.527990] Cannot link a netdevsim to itself
[  517.528077] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).