[  760.145726][T14765] netdevsim netdevsim439 eni439np1: renamed from eth0
[  760.155658][T14767] netdevsim netdevsim542 eni542np1: renamed from eth1
[  760.717596][T14753] Could not find device with ifindex 2000 in netnsfd 11
[  760.718177][T14753] Could not find netns with fd: 2000
[  760.718618][T14753] Cannot link a netdevsim to itself
[  760.719122][T14753] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).