A "little" of time has passed, but anyway. I've experienced no such a behaviour for m = 2, 3, ... 8 (inclusive). It was tested against the freshly built ITPP 4.3.1 (master branch, commit: bb5c7e95f40e8fdb5c3f3d01a84bcbaf76f3676d, Ubuntu). What version and OS was it?
ITPP's soname version inconsistency