[  466.821480] netdevsim netdevsim308 eni308np1: renamed from eth0
[  466.822445] netdevsim netdevsim571 eni571np1: renamed from eth1
[  466.931949] Could not find device with ifindex 2000 in netnsfd 11
[  466.932082] Could not find netns with fd: 2000
[  466.932161] Cannot link a netdevsim to itself
[  466.932226] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).