[  813.500515][T14773] netdevsim netdevsim384 eni384np1: renamed from eth0
[  813.529434][T14776] netdevsim netdevsim685 eni685np1: renamed from eth1
[  814.141346][T14761] Could not find device with ifindex 2000 in netnsfd 11
[  814.142153][T14761] Could not find netns with fd: 2000
[  814.142530][T14761] Cannot link a netdevsim to itself
[  814.142959][T14761] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).