2 contains a list of numbers to append to "gbpsfc" to get the VMs' names
7 No parameters: machines' names are generated from settings file.
8 One parameter: operation will take place on than machine only
11 Start sending sFlow data from OVS (all parameters are set in internal_settings)
14 Stop sending sFlow data
17 Show actual state of sFlow, or will not show anything if sFlow is stopped.
20 Settings used to start sFlow sending on a machine
22 internal_start, internal_stop
23 Not to be run manually. Starting/stopping sFlow sending on individual machine
27 This has a lot of potential improvement...