[  472.198432] netdevsim netdevsim355 eni355np1: renamed from eth0
[  472.198930] netdevsim netdevsim701 eni701np1: renamed from eth1
[  472.276427] Could not find device with ifindex 2000 in netnsfd 11
[  472.276559] Could not find netns with fd: 2000
[  472.276675] Cannot link a netdevsim to itself
[  472.276793] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).