[  476.652747] netdevsim netdevsim394 eni394np1: renamed from eth0
[  476.653385] netdevsim netdevsim679 eni679np1: renamed from eth1
[  476.749502] Could not find device with ifindex 2000 in netnsfd 11
[  476.749611] Could not find netns with fd: 2000
[  476.749662] Cannot link a netdevsim to itself
[  476.749727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).