[  479.352222] netdevsim netdevsim431 eni431np1: renamed from eth0
[  479.352679] netdevsim netdevsim715 eni715np1: renamed from eth1
[  479.436628] Could not find device with ifindex 2000 in netnsfd 11
[  479.436738] Could not find netns with fd: 2000
[  479.436795] Cannot link a netdevsim to itself
[  479.436860] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).