After instaling Xposed my rooted phone started to be very "funny" as well.
After one day of normal usage it gets freezed, so I restared device. It did not booted correctly, it stops to boot at Lenovo sign. Restarted again, a funny information about "application getting updated to newest Android" appears (Like when you install OTA update). Funny is, that it counts 211 apps, but I had only around 130 apps installed.
After this experience I rather removed Xposed, I never used it before so I think I will not miss it.