[  826.156034][T15646] netdevsim netdevsim508 eni508np1: renamed from eth0
[  826.176586][T15644] netdevsim netdevsim743 eni743np1: renamed from eth1
[  826.764974][T15633] Could not find device with ifindex 2000 in netnsfd 11
[  826.765469][T15633] Could not find netns with fd: 2000
[  826.765824][T15633] Cannot link a netdevsim to itself
[  826.766277][T15633] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).