[  480.391957] netdevsim netdevsim380 eni380np1: renamed from eth0
[  480.493080] netdevsim netdevsim541 eni541np1: renamed from eth1
[  480.827196] Could not find device with ifindex 2000 in netnsfd 11
[  480.827342] Could not find netns with fd: 2000
[  480.827420] Cannot link a netdevsim to itself
[  480.827514] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).