ocaml-ipaddr is marked for autoremoval from testing

[Debian testing autoremoval watch]

ocaml-ipaddr 2.7.0-2 is marked for autoremoval from testing on 2017-04-02

It (build-)depends on packages with these RC bugs:
855930: latex-make: FTBFS: dh_auto_test: make -j1 check VERBOSE=1 returned exit 
code 2