[  490.581376] netdevsim netdevsim418 eni418np1: renamed from eth0
[  490.581766] netdevsim netdevsim652 eni652np1: renamed from eth1
[  490.660475] Could not find device with ifindex 2000 in netnsfd 11
[  490.660583] Could not find netns with fd: 2000
[  490.660642] Cannot link a netdevsim to itself
[  490.660694] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).