[  759.727717][T14753] netdevsim netdevsim345 eni345np1: renamed from eth0
[  759.739106][T14755] netdevsim netdevsim709 eni709np1: renamed from eth1
[  760.298017][T14741] Could not find device with ifindex 2000 in netnsfd 11
[  760.298524][T14741] Could not find netns with fd: 2000
[  760.299178][T14741] Cannot link a netdevsim to itself
[  760.299667][T14741] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).