[  494.214671] netdevsim netdevsim612 eni612np1: renamed from eth1
[  494.310697] netdevsim netdevsim379 eni379np1: renamed from eth0
[  494.535240] Could not find device with ifindex 2000 in netnsfd 11
[  494.535578] Could not find netns with fd: 2000
[  494.535681] Cannot link a netdevsim to itself
[  494.535771] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).