Make deployment fingerprint to avoid duplicate telemetry

[dborovcanin]

• Please update groupings on timescale repo to group by mac rather than ip

Originally posted by @SammyOina in #37 (review)

[dborovcanin]

This will not be enough. MAC addresses are different per container in containerzied env. We need to come up with something better. Updating estimate and title and opening this for discussion.