This tests a few ssfilter expressions by selecting sockets from a TCP
dump file. The dump was created using the following command:
| ss -ntaD testsuite/tests/ss/ss1.dump
It is fed into ss via TCPDIAG_FILE environment variable.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>