[  791.925982][T15623] netdevsim netdevsim491 eni491np1: renamed from eth0
[  791.955261][T15625] netdevsim netdevsim659 eni659np1: renamed from eth1
[  792.520485][T15611] Could not find device with ifindex 2000 in netnsfd 11
[  792.520978][T15611] Could not find netns with fd: 2000
[  792.521332][T15611] Cannot link a netdevsim to itself
[  792.521731][T15611] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).