[  472.441134] netdevsim netdevsim344 eni344np1: renamed from eth0
[  472.441624] netdevsim netdevsim758 eni758np1: renamed from eth1
[  472.519903] Could not find device with ifindex 2000 in netnsfd 11
[  472.519992] Could not find netns with fd: 2000
[  472.520037] Cannot link a netdevsim to itself
[  472.520087] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).