[  487.634001] netdevsim netdevsim316 eni316np1: renamed from eth0
[  487.735420] netdevsim netdevsim746 eni746np1: renamed from eth1
[  488.089195] Could not find device with ifindex 2000 in netnsfd 11
[  488.089340] Could not find netns with fd: 2000
[  488.089424] Cannot link a netdevsim to itself
[  488.089530] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).