[  809.004956][T15757] netdevsim netdevsim500 eni500np1: renamed from eth0
[  809.029258][T15755] netdevsim netdevsim556 eni556np1: renamed from eth1
[  809.669122][T15744] Could not find device with ifindex 2000 in netnsfd 11
[  809.669883][T15744] Could not find netns with fd: 2000
[  809.670461][T15744] Cannot link a netdevsim to itself
[  809.671124][T15744] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).