[  490.453041] netdevsim netdevsim712 eni712np1: renamed from eth1
[  490.550860] netdevsim netdevsim430 eni430np1: renamed from eth0
[  490.798894] Could not find device with ifindex 2000 in netnsfd 11
[  490.799080] Could not find netns with fd: 2000
[  490.799205] Cannot link a netdevsim to itself
[  490.799319] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).