[  816.224629][T15836] netdevsim netdevsim447 eni447np1: renamed from eth0
[  816.245692][T15833] netdevsim netdevsim724 eni724np1: renamed from eth1
[  816.873120][T15822] Could not find device with ifindex 2000 in netnsfd 11
[  816.873865][T15822] Could not find netns with fd: 2000
[  816.874537][T15822] Cannot link a netdevsim to itself
[  816.875227][T15822] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).