Provided by: systemtap-doc_2.9-2ubuntu2_all 

NAME
probe::tcp.disconnect - TCP socket disconnection
SYNOPSIS
tcp.disconnect
VALUES
family
IP address family
daddr
A string representing the destination IP address
flags
TCP flags (e.g. FIN, etc)
name
Name of this probe
saddr
A string representing the source IP address
dport
TCP destination port
sport
TCP source port
sock
Network socket
CONTEXT
The process which disconnects tcp
SEE ALSO
tapset::tcp(3stap)
SystemTap Tapset Reference April 2016 PROBE::TCP.DISCONN(3stap)