[  865.696426][T15799] netdevsim netdevsim380 eni380np1: renamed from eth0
[  865.706097][T15802] netdevsim netdevsim659 eni659np1: renamed from eth1
[  866.314751][T15787] Could not find device with ifindex 2000 in netnsfd 11
[  866.315339][T15787] Could not find netns with fd: 2000
[  866.315718][T15787] Cannot link a netdevsim to itself
[  866.316157][T15787] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).