[  487.548478] netdevsim netdevsim389 eni389np1: renamed from eth0
[  487.644730] netdevsim netdevsim619 eni619np1: renamed from eth1
[  487.866663] Could not find device with ifindex 2000 in netnsfd 11
[  487.866929] Could not find netns with fd: 2000
[  487.867009] Cannot link a netdevsim to itself
[  487.867100] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).