[  826.818632][T15870] netdevsim netdevsim315 eni315np1: renamed from eth0
[  826.828684][T15869] netdevsim netdevsim652 eni652np1: renamed from eth1
[  827.450584][T15858] Could not find device with ifindex 2000 in netnsfd 11
[  827.451295][T15858] Could not find netns with fd: 2000
[  827.451865][T15858] Cannot link a netdevsim to itself
[  827.452513][T15858] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).