[  521.269490] netdevsim netdevsim588 eni588np1: renamed from eth1
[  521.366029] netdevsim netdevsim389 eni389np1: renamed from eth0
[  521.629515] Could not find device with ifindex 2000 in netnsfd 11
[  521.629785] Could not find netns with fd: 2000
[  521.629897] Cannot link a netdevsim to itself
[  521.630040] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).