buster=eos;upgrade=bullseye,bookworm,trixie,testing
focal=eos;upgrade=jammy,noble,oracular,plucky
bullseye=eos;upgrade=bookworm,trixie,testing
bookworm=csc;upgrade=trixie,testing
jammy=csc;upgrade=noble,oracular,plucky
noble=supported;upgrade=oracular,plucky
trixie=supported;upgrade=forky,testing
oracular=eos;upgrade=plucky
plucky=csc;upgrade=none
forky=csc;upgrade=testing
questing=csc;upgrade=none
resolute=csc;upgrade=none
sid=csc;upgrade=none
