[  518.503298] netdevsim netdevsim584 eni584np1: renamed from eth1
[  518.599792] netdevsim netdevsim379 eni379np1: renamed from eth0
[  518.901677] Could not find device with ifindex 2000 in netnsfd 11
[  518.901984] Could not find netns with fd: 2000
[  518.902078] Cannot link a netdevsim to itself
[  518.902200] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).