[  833.119684][T15804] netdevsim netdevsim303 eni303np1: renamed from eth0
[  833.153700][T15805] netdevsim netdevsim703 eni703np1: renamed from eth1
[  833.885698][T15792] Could not find device with ifindex 2000 in netnsfd 11
[  833.886458][T15792] Could not find netns with fd: 2000
[  833.887015][T15792] Cannot link a netdevsim to itself
[  833.887690][T15792] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).