[  488.988967] netdevsim netdevsim659 eni659np1: renamed from eth1
[  489.085618] netdevsim netdevsim376 eni376np1: renamed from eth0
[  489.307723] Could not find device with ifindex 2000 in netnsfd 11
[  489.307900] Could not find netns with fd: 2000
[  489.307979] Cannot link a netdevsim to itself
[  489.308074] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).