The only thing I can suggest from the output is that you want to make sure your DNS settings are correct on all systems and that cross forest name resolution is consistent.
Notice the last KDC error.
Although you're talking about a 2-way trust, this article outlines all the things that need to be in place for proper functionality:
P.S: Apologies again for our responses being late. We had an issue with the DL that lets us know if there are new threads or responses lately, but that has been resolved.