[  472.667304] netdevsim netdevsim374 eni374np1: renamed from eth0
[  472.667793] netdevsim netdevsim616 eni616np1: renamed from eth1
[  472.747774] Could not find device with ifindex 2000 in netnsfd 11
[  472.747860] Could not find netns with fd: 2000
[  472.747904] Cannot link a netdevsim to itself
[  472.747953] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).