message: Change log to debug for exceptions as they are expected
diff: @@ -2491,11 +2491,8 @@ namespace eosio {
  dispatcher->recv_transaction(c, tid);
  chain_plug->accept_transaction(msg, [=](const static_variant<fc::exception_ptr, transaction_trace_ptr>& result) {
  if (result.contains<fc::exception_ptr>()) {
  - auto e_ptr = result.get<fc::exception_ptr>();
  - if (e_ptr->code() != tx_duplicate::code_value && e_ptr->code() != expired_tx_exception::code_value) {
  - elog("accept txn threw ${m}",("m",result.get<fc::exception_ptr>()->to_detail_string()));
  - peer_elog(c, "bad packed_transaction : ${m}", ("m",result.get<fc::exception_ptr>()->what()));
  - }
  + dlog("accept txn threw ${m}",("m",result.get<fc::exception_ptr>()->to_detail_string()));
  + peer_dlog(c, "bad packed_transaction : ${m}", ("m",result.get<fc::exception_ptr>()->what()));
  } else {
  auto trace = result.get<transaction_trace_ptr>();
  if (!trace->except) {
  