[  493.115516] netdevsim netdevsim650 eni650np1: renamed from eth1
[  493.211698] netdevsim netdevsim262 eni262np1: renamed from eth0
[  493.458189] Could not find device with ifindex 2000 in netnsfd 11
[  493.458572] Could not find netns with fd: 2000
[  493.458683] Cannot link a netdevsim to itself
[  493.458812] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).