-- binary
00 03 # type
00 10 # length
00 00 00 00 # pad
00 0b # actions[0].type (OFPAT_COPY_TTL_OUT)
00 08 # actions[0].length
00 00 00 00 # pad
-- java
OFActions actions = OFFactories.getFactory(OFVersion.OF_15).actions();
builder.setActions(ImmutableList.<OFAction>of(actions.copyTtlOut()))