[  826.847754][T15774] netdevsim netdevsim615 eni615np1: renamed from eth1
[  826.856980][T15771] netdevsim netdevsim389 eni389np1: renamed from eth0
[  827.740259][T15760] Could not find device with ifindex 2000 in netnsfd 11
[  827.741871][T15760] Could not find netns with fd: 2000
[  827.742852][T15760] Cannot link a netdevsim to itself
[  827.744216][T15760] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).