[  813.078530][T15815] netdevsim netdevsim448 eni448np1: renamed from eth0
[  813.085925][T15813] netdevsim netdevsim701 eni701np1: renamed from eth1
[  813.686811][T15802] Could not find device with ifindex 2000 in netnsfd 11
[  813.687451][T15802] Could not find netns with fd: 2000
[  813.687889][T15802] Cannot link a netdevsim to itself
[  813.688383][T15802] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).