Provided by: systemtap-doc_2.9-2ubuntu2_all 

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