[  488.054303] netdevsim netdevsim514 eni514np1: renamed from eth1
[  488.151310] netdevsim netdevsim429 eni429np1: renamed from eth0
[  488.372327] Could not find device with ifindex 2000 in netnsfd 11
[  488.372603] Could not find netns with fd: 2000
[  488.372705] Cannot link a netdevsim to itself
[  488.372832] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).