[  460.706267] netdevsim netdevsim427 eni427np1: renamed from eth0
[  460.707309] netdevsim netdevsim545 eni545np1: renamed from eth1
[  460.801745] Could not find device with ifindex 2000 in netnsfd 11
[  460.801919] Could not find netns with fd: 2000
[  460.802045] Cannot link a netdevsim to itself
[  460.802199] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).