[  783.931950][T14771] netdevsim netdevsim450 eni450np1: renamed from eth0
[  783.937935][T14773] netdevsim netdevsim740 eni740np1: renamed from eth1
[  784.535837][T14759] Could not find device with ifindex 2000 in netnsfd 11
[  784.536364][T14759] Could not find netns with fd: 2000
[  784.536969][T14759] Cannot link a netdevsim to itself
[  784.537421][T14759] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).