[  756.609288][T14765] netdevsim netdevsim404 eni404np1: renamed from eth0
[  756.630496][T14767] netdevsim netdevsim580 eni580np1: renamed from eth1
[  757.178494][T14753] Could not find device with ifindex 2000 in netnsfd 11
[  757.178982][T14753] Could not find netns with fd: 2000
[  757.179334][T14753] Cannot link a netdevsim to itself
[  757.179739][T14753] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).