yeah im having trouble finding time to gank. i hate leaving camps up because i know the cooldowns are long and if i dont farm em immediately i'll be missing out on a lot in the long run, but multiple times i've looked at the game timer and thought to myself 'wtf its X minutes and i've only ganked 1 lane'
its as kuroi said i guess. you have to make the meaningful choice of leaving that camp up to go and hit a lane. it seems especially more harmful in this jungle due to how little experience and gold it feels like you get from farming, so if your ganks are unsuccessful it hurts you even more than it used to.
i like to play diana jungle so unless i see a countergank opportunity i usually dont do a whole lot pre6 other than ward for my laners. i've found post 6 since i have a short ult cooldown that it's best to just hit as many lanes as quickly as possible, let your whole jungle respawn, and then rush through it as quickly as possible before recalling so that on your return trip you can choose between ganking or farming again.
if i were to give you advice (and please take it with a grain of salt because i consider myself much better in lane than in the jungle right now) it would be this; figure out your specific champion's big power spike and work around it. if you have a high cooldown ulti with high kill potential then make sure it's on cooldown as frequently as possible (as in, gank every time it's up). if you have a low cooldown ulti then gank in sustained spurts (as i do with diana where i basically just go in a lane, fish for a kill, and if i dont get it immediately move to a different lane to try again because my ulti resets and has a ~20 second cooldown_