[  512.989553] netdevsim netdevsim713 eni713np1: renamed from eth1
[  513.086461] netdevsim netdevsim383 eni383np1: renamed from eth0
[  513.310622] Could not find device with ifindex 2000 in netnsfd 11
[  513.310805] Could not find netns with fd: 2000
[  513.310906] Cannot link a netdevsim to itself
[  513.311023] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).