[  798.952783][T15701] netdevsim netdevsim491 eni491np1: renamed from eth0
[  798.981704][T15700] netdevsim netdevsim513 eni513np1: renamed from eth1
[  799.580958][T15687] Could not find device with ifindex 2000 in netnsfd 11
[  799.581597][T15687] Could not find netns with fd: 2000
[  799.582051][T15687] Cannot link a netdevsim to itself
[  799.582599][T15687] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).