[  859.731720][T15853] netdevsim netdevsim326 eni326np1: renamed from eth0
[  859.751029][T15850] netdevsim netdevsim689 eni689np1: renamed from eth1
[  860.341374][T15839] Could not find device with ifindex 2000 in netnsfd 11
[  860.342010][T15839] Could not find netns with fd: 2000
[  860.342454][T15839] Cannot link a netdevsim to itself
[  860.342965][T15839] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).