/usr/bin/ovs-tcpdump: Open vSwitch tcpdump helper.
usage: /usr/bin/ovs-tcpdump -i interface [TCPDUMP OPTIONS]
where TCPDUMP OPTIONS represents the options normally passed to tcpdump.

The following options are available:
   -h, --help                 display this help message
   -V, --version              display version information
   --db-sock                  A connection string to reach the Open vSwitch
                              ovsdb-server.
                              Default 'unix:/run/openvswitch/db.sock'
   --dump-cmd                 Command to use for tcpdump (default 'tcpdump')
   -i, --interface            Open vSwitch interface to mirror and tcpdump
   --mirror-to                The name for the mirror port to use (optional)
                              Default 'miINTERFACE'
   --span                     If specified, mirror all ports (optional)
   --filter                   Set an OpenFlow formatted preselection filter