[  484.895396] netdevsim netdevsim742 eni742np1: renamed from eth1
[  484.996825] netdevsim netdevsim441 eni441np1: renamed from eth0
[  485.358874] Could not find device with ifindex 2000 in netnsfd 11
[  485.359053] Could not find netns with fd: 2000
[  485.359157] Cannot link a netdevsim to itself
[  485.359283] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).