[automerger skipped] Extract IPsec and test network utility methods am: fec419cdd6 am: 9d57979344 -s ours am: b1e47dbd82 -s ours

am skip reason: Change-Id I9aeafa45ab515ce72a72c3de6f70fb26e32e7fd4 with SHA-1 fec419cdd6 is in history

Change-Id: I43955cfa63f8dc9cef46633f63cd052eb7ce176a