[  484.312812] netdevsim netdevsim412 eni412np1: renamed from eth0
[  484.414446] netdevsim netdevsim654 eni654np1: renamed from eth1
[  484.733640] Could not find device with ifindex 2000 in netnsfd 11
[  484.733764] Could not find netns with fd: 2000
[  484.733830] Cannot link a netdevsim to itself
[  484.733922] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).