[  478.100564] netdevsim netdevsim463 eni463np1: renamed from eth0
[  478.100974] netdevsim netdevsim730 eni730np1: renamed from eth1
[  478.194254] Could not find device with ifindex 2000 in netnsfd 11
[  478.194429] Could not find netns with fd: 2000
[  478.194560] Cannot link a netdevsim to itself
[  478.194685] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).