Not really, since this deal has nothing to do with equity or government assets (and if Varoufakis did propose such a thing people will call for his heads). Basically, barring any inclinations of a writedown from debtors, Greece wants to renegotiate when their bonds reach maturity. The growth one basically reaches maturity at "when the Greek government can deal with it," and the perpetual ones reaches maturity at "never".
Greece will still pay interest/coupons on all the debt with their primary surplus, but essentially vows never to have another situation where the government is short several billion near the end of the month and have to max out another credit line from the Troika to fix it. To convince their creditors of this plan's credibility, Greece can pull out the Krugman argument: "we will have to be forced to collapse and default at this rate, so this is the best scenario where you won't get implicit writedowns through default."
Consider this Varoufakis making the first offer, I guess. Given the Europeans' cool reception and only a few more weeks of solvency, he has to bite his tongue and put something out. This is one of three proposals from him: the other two are the elimination of the Troika auditors and ability to negotiate with individual creditors, and reduction of Greece's mandated primary surplus to 1.5%, down from 4.5% now.
EDIT:
Varoufakis's itinerary so far:Friday, met with Eurogroup head Jeroen Djisselbloem;
Sunday, met with French FM Michel Sapin;
Monday, met with British Chancellor George Osborne;
Tuesday, met with Italian FM Pier Carlo Padoan;
Wednesday, will meet with ECB chief Mario Draghi;
Thursday, will meet with German FM Wolfgang Schaeuble; meeting with EU Commission President Jean-Claude Juncker TBD.