[  485.878596] netdevsim netdevsim474 eni474np1: renamed from eth0
[  485.879080] netdevsim netdevsim763 eni763np1: renamed from eth1
[  485.949946] Could not find device with ifindex 2000 in netnsfd 11
[  485.950041] Could not find netns with fd: 2000
[  485.950136] Cannot link a netdevsim to itself
[  485.950229] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).