[ 1044.579981][T12649] netdevsim netdevsim604 eni604np1: renamed from eth1
[ 1044.684227][T12647] netdevsim netdevsim449 eni449np1: renamed from eth0
[ 1046.483729][T12727] Could not find device with ifindex 2000 in netnsfd 11
[ 1046.484722][T12727] Could not find netns with fd: 2000
[ 1046.485424][T12727] Cannot link a netdevsim to itself
[ 1046.486199][T12727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).