Try filtering your choices by working backwards:
First, classify the players that would not be tradeable because of their unparalleled value to the Packers. For this initial "wash" don't consider whether their contract is a help or a hindrance in making a trade. Strictly place them on the list because they would, in reality, be irreplaceable. I see only one: Aaron Rodgers
Next, only consider trading a player if he is in a position group that already has the depth to backfill in his absence and most importantly he would be a player that a majority of teams would consider good enough and young enough to offer either a 1st or 2nd round draft pick or an up-and-coming pro-bowl caliber type of player in return for them: I see only five possibilities, and four are probably a slight to moderate reach: David Bakhtiari, Mike Daniels, Kenny Clark and HaHa Clinton-Dix, with Bakhtiari being the most valuable of the bunch because of the position that he plays and the difficulty the Packers would have in finding a replacement.
There's no good reason to trade like for like, talent-wise, unless the traders are parting with their surplus talent and it won't leave a hole in their roster to do so. The way Spriggs got rag-dolled repeatedly near the end of this season it's clear he needs to eat a lot more spinach. He will get Rodgers killed if he is the starting LT. That makes Bakhtiari the most valuable position player after Rodgers.
All of the above except Clark are proven. However, Clark improved enough by the end of this season that his talent, performance and age combined may make him too intriguing to lose. Considering this team's recent record of whiffing on defensive linemen picked in the 1st and 2nd rounds, Clark needs to be classified as a keeper - at least for now - because his stock is definitely on the rise.
I would rate the five players named above as unlikely candidates for any trades. I'm on the fence as to whether Adams should be on the above list, but only because WR is deeper than some other position groups and not because of his performance this past season. Plus, good WRs are more plentiful in number (via the draft) than good QBs, LTs and CBs. A trading partner would probably only pay-up if the player came from a position where top-notch players are, generally, the hardest to find for any team.
Everyone else is fair game using the above filters. Whether any other teams would offer something substantial in return for any Packer player (other than those named above) is debatable. Some teams may view this guy or that guy as one of the missing piece(s) that could put them over the top. But those kind of players may be acquired in ways other than by trade. None of the rest of the Packers seem like headliners that would command high value in return. They may be more valuable to the Packers as a piece of the puzzle than they would be to other teams.
And just to single-out the CB group, if I were a GM with another team I would not offer you a ham on rye for anyone in this position group after what we witnessed this season, especially for Randall and Rollins. In all seriousness I would not offer more than a 7th rounder for either of them, and I would probably have a bad case of buyer's remorse once I had made that offer.