[  825.065878][T15854] netdevsim netdevsim326 eni326np1: renamed from eth0
[  825.073460][T15853] netdevsim netdevsim639 eni639np1: renamed from eth1
[  825.714358][T15840] Could not find device with ifindex 2000 in netnsfd 11
[  825.715005][T15840] Could not find netns with fd: 2000
[  825.715437][T15840] Cannot link a netdevsim to itself
[  825.715942][T15840] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).