[  479.497356] netdevsim netdevsim441 eni441np1: renamed from eth0
[  479.598684] netdevsim netdevsim664 eni664np1: renamed from eth1
[  479.900435] Could not find device with ifindex 2000 in netnsfd 11
[  479.900569] Could not find netns with fd: 2000
[  479.900640] Cannot link a netdevsim to itself
[  479.900761] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).