[  827.468374][T14784] netdevsim netdevsim396 eni396np1: renamed from eth0
[  827.489771][T14786] netdevsim netdevsim678 eni678np1: renamed from eth1
[  828.126345][T14772] Could not find device with ifindex 2000 in netnsfd 11
[  828.127531][T14772] Could not find netns with fd: 2000
[  828.127923][T14772] Cannot link a netdevsim to itself
[  828.128356][T14772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).