утилита трассировки логической сети Open Virtual Network (Open Virtual Network logical network tracing utility)
DAEMON MODE
If ovn-trace is invoked with the --detach option (see Daemon
Options, below), it runs in the background as a daemon and
accepts commands from ovs-appctl (or another JSON-RPC client)
indefinitely. The currently supported commands are described
below.
trace [options] datapath microflow
Traces microflow through datapath and replies with
the results of the trace. Accepts the options
described under Trace Options below.
exit Causes ovn-trace to gracefully terminate.