rfsimulator: ignore PIPE signal
When au UE disconnects, a write on the rf simulator socket may generate a PIPE signal in the gnb and crash it.
Let's ignore this signal.
Maintenance operation of our GitLab server is scheduled for Thursday, November 28 at noon. The server will be unavailable for about two hours.
When au UE disconnects, a write on the rf simulator socket may generate a PIPE signal in the gnb and crash it.
Let's ignore this signal.