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

NAME
probe::udp.disconnect.return - UDP has been disconnected successfully
SYNOPSIS
udp.disconnect.return
VALUES
dport
UDP destination port
saddr
A string representing the source IP address
name
The name of this probe
daddr
A string representing the destination IP address
family
IP address family
sport
UDP source port
ret
Error code (0: no error)
CONTEXT
The process which requested a UDP disconnection
SystemTap Tapset Reference March 2016 PROBE::UDP.DISCONN(3stap)