[  492.496401] netdevsim netdevsim548 eni548np1: renamed from eth1
[  492.590651] netdevsim netdevsim479 eni479np1: renamed from eth0
[  492.855592] Could not find device with ifindex 2000 in netnsfd 11
[  492.855989] Could not find netns with fd: 2000
[  492.856074] Cannot link a netdevsim to itself
[  492.856172] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).