[  495.456265] netdevsim netdevsim557 eni557np1: renamed from eth1
[  495.552816] netdevsim netdevsim360 eni360np1: renamed from eth0
[  495.802860] Could not find device with ifindex 2000 in netnsfd 11
[  495.803204] Could not find netns with fd: 2000
[  495.803286] Cannot link a netdevsim to itself
[  495.803386] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).