Provided by: systemtap-doc_2.3-1ubuntu1.4_all 

NAME
probe::udp.disconnect - Fires when a process requests for a UDP disconnection
SYNOPSIS
udp.disconnect
VALUES
saddr
A string representing the source IP address
dport
UDP destination port
sock
Network socket used by the process
sport
UDP source port
daddr
A string representing the destination IP address
family
IP address family
flags
Flags (e.g. FIN, etc)
name
The name of this probe
CONTEXT
The process which requests a UDP disconnection
SystemTap Tapset Reference March 2016 PROBE::UDP.DISCONN(3stap)