[  497.507828] netdevsim netdevsim310 eni310np1: renamed from eth0
[  497.609078] netdevsim netdevsim719 eni719np1: renamed from eth1
[  497.941432] Could not find device with ifindex 2000 in netnsfd 11
[  497.941588] Could not find netns with fd: 2000
[  497.941668] Cannot link a netdevsim to itself
[  497.941773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).