[  756.062517][T14645] netdevsim netdevsim329 eni329np1: renamed from eth0
[  756.067277][T14647] netdevsim netdevsim647 eni647np1: renamed from eth1
[  756.643577][T14633] Could not find device with ifindex 2000 in netnsfd 11
[  756.644124][T14633] Could not find netns with fd: 2000
[  756.644520][T14633] Cannot link a netdevsim to itself
[  756.644950][T14633] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).