[  476.754828] netdevsim netdevsim300 eni300np1: renamed from eth0
[  476.755234] netdevsim netdevsim568 eni568np1: renamed from eth1
[  476.855574] Could not find device with ifindex 2000 in netnsfd 11
[  476.855702] Could not find netns with fd: 2000
[  476.855802] Cannot link a netdevsim to itself
[  476.855914] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).