[  755.020869][T14593] netdevsim netdevsim427 eni427np1: renamed from eth0
[  755.044926][T14596] netdevsim netdevsim580 eni580np1: renamed from eth1
[  755.616710][T14581] Could not find device with ifindex 2000 in netnsfd 11
[  755.617629][T14581] Could not find netns with fd: 2000
[  755.618220][T14581] Cannot link a netdevsim to itself
[  755.618627][T14581] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).