Ive got a trio of males just like Kittensmew! I had two bonded before being neutered (not recommended, though) and then added the third. The two oldest bonded nearly instantly. I had a few issues with fighting over territory here and there (Blue thought he owned me and would lunge at Bombur if Bombur was getting too much attention from me). But over all, it was fine. They each had their own cages but shared the living room as everyones common territory. They would play, cuddle, sleep, and eat together. They were neutered at different times, and that didnt effect their bond at all
When we got our third rabbit, the other two had to share a cage for a little while. Bombur was still unneutered. It wasnt a problem and we kept trying, but Bombur was having some blood problems that needed to be corrected first. They were sharing a cage fine for about a month, though and previously shared the living room for 3+ months. When we got Badger, we let the other two pick him out which helped a ton with bonding as we already knew they would get along in neutral territory. Blue was a little possessive of me again, but with a ton of attention every single day, he got a lot better with them. Badger and Bombur are now his babies, basically. He grooms them, cuddles them, forces them to sleep next to him, ect. They both do(did) it willingly. Bonding the trio took less than two months
They all shared a large cage for a little while (few months) until Badger started puberty and we had to split them. Bombur and Badger get along normally, but Badger and Blue fight. Badger tries to claim dom over him, and Blue is the obvious alpha. Not only is he the biggest, but he also refuses to let anyone take his position from him. He likes being the caregiver and the boss. But because they bonded so well and so fast originally, i have no doubt theyll be back to being a cuddley trio after Badger gets snipped
A male x male bond is not impossible and in some cases its very easy
It all depends on the bunnys personality and their willingness to become friends