If you are on a 5GHz band, switch to 2.4GHz. It is more stable for the older protocols UCast often uses.

To minimize the likelihood of encountering UCAST V461 issues in the future:

Please specify the you are using so I can write the appropriate guide for you. How to Update Ottocast Wireless Android Carplay Adapter

: Resolves an issue where Unicast Mode would incorrectly trigger flood protection during Destination Lookup Failures (DLF). Neighbor Table Stability

Network engineers identifying the need for a "ucast v461 fix" typically observe the following anomalies:

def _is_in_window(self, seq: int) -> bool: """Check if sequence falls within acceptable receive window.""" window_size = self.max_window lower = self.seq_in upper = (lower + window_size) & 0xFFFFFFFF