[  815.593652][T14769] netdevsim netdevsim301 eni301np1: renamed from eth0
[  815.606984][T14771] netdevsim netdevsim635 eni635np1: renamed from eth1
[  816.234951][T14757] Could not find device with ifindex 2000 in netnsfd 11
[  816.235913][T14757] Could not find netns with fd: 2000
[  816.236453][T14757] Cannot link a netdevsim to itself
[  816.237030][T14757] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).