[  487.581101] netdevsim netdevsim448 eni448np1: renamed from eth0
[  487.678538] netdevsim netdevsim620 eni620np1: renamed from eth1
[  487.893621] Could not find device with ifindex 2000 in netnsfd 11
[  487.893807] Could not find netns with fd: 2000
[  487.893897] Cannot link a netdevsim to itself
[  487.894042] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).