[  474.746886] netdevsim netdevsim448 eni448np1: renamed from eth0
[  474.747603] netdevsim netdevsim540 eni540np1: renamed from eth1
[  474.836981] Could not find device with ifindex 2000 in netnsfd 11
[  474.837090] Could not find netns with fd: 2000
[  474.837157] Cannot link a netdevsim to itself
[  474.837219] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).