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qemu-options: update to show preferred boolean syntax for -chardev
The preferred syntax is to use "foo=on|off", rather than a bare "foo" or "nofoo". Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> Message-Id: <20210216191027.595031-3-berrange@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Daniel P. Berrangé
Paolo Bonzini
parent
87c9991a0c
commit
bfdc126768
1 changed files with 39 additions and 39 deletions
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@ -3032,13 +3032,13 @@ DEFHEADING(Character device options:)
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DEF("chardev", HAS_ARG, QEMU_OPTION_chardev,
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"-chardev help\n"
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"-chardev null,id=id[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
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"-chardev socket,id=id[,host=host],port=port[,to=to][,ipv4][,ipv6][,nodelay][,reconnect=seconds]\n"
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" [,server][,nowait][,telnet][,websocket][,reconnect=seconds][,mux=on|off]\n"
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"-chardev socket,id=id[,host=host],port=port[,to=to][,ipv4=on|off][,ipv6=on|off][,delay=on|off][,reconnect=seconds]\n"
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" [,server=on|off][,wait=on|off][,telnet=on|off][,websocket=on|off][,reconnect=seconds][,mux=on|off]\n"
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" [,logfile=PATH][,logappend=on|off][,tls-creds=ID][,tls-authz=ID] (tcp)\n"
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"-chardev socket,id=id,path=path[,server][,nowait][,telnet][,websocket][,reconnect=seconds]\n"
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"-chardev socket,id=id,path=path[,server=on|off][,wait=on|off][,telnet=on|off][,websocket=on|off][,reconnect=seconds]\n"
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" [,mux=on|off][,logfile=PATH][,logappend=on|off][,abstract=on|off][,tight=on|off] (unix)\n"
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"-chardev udp,id=id[,host=host],port=port[,localaddr=localaddr]\n"
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" [,localport=localport][,ipv4][,ipv6][,mux=on|off]\n"
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" [,localport=localport][,ipv4=on|off][,ipv6=on|off][,mux=on|off]\n"
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" [,logfile=PATH][,logappend=on|off]\n"
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"-chardev msmouse,id=id[,mux=on|off][,logfile=PATH][,logappend=on|off]\n"
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"-chardev vc,id=id[[,width=width][,height=height]][[,cols=cols][,rows=rows]]\n"
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@ -3148,21 +3148,21 @@ The available backends are:
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A void device. This device will not emit any data, and will drop any
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data it receives. The null backend does not take any options.
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``-chardev socket,id=id[,TCP options or unix options][,server][,nowait][,telnet][,websocket][,reconnect=seconds][,tls-creds=id][,tls-authz=id]``
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``-chardev socket,id=id[,TCP options or unix options][,server=on|off][,wait=on|off][,telnet=on|off][,websocket=on|off][,reconnect=seconds][,tls-creds=id][,tls-authz=id]``
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Create a two-way stream socket, which can be either a TCP or a unix
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socket. A unix socket will be created if ``path`` is specified.
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Behaviour is undefined if TCP options are specified for a unix
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socket.
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``server`` specifies that the socket shall be a listening socket.
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``server=on|off`` specifies that the socket shall be a listening socket.
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``nowait`` specifies that QEMU should not block waiting for a client
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``wait=on|off`` specifies that QEMU should not block waiting for a client
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to connect to a listening socket.
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``telnet`` specifies that traffic on the socket should interpret
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``telnet=on|off`` specifies that traffic on the socket should interpret
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telnet escape sequences.
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``websocket`` specifies that the socket uses WebSocket protocol for
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``websocket=on|off`` specifies that the socket uses WebSocket protocol for
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communication.
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``reconnect`` sets the timeout for reconnecting on non-server
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@ -3183,7 +3183,7 @@ The available backends are:
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TCP and unix socket options are given below:
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``TCP options: port=port[,host=host][,to=to][,ipv4][,ipv6][,nodelay]``
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``TCP options: port=port[,host=host][,to=to][,ipv4=on|off][,ipv6=on|off][,delay=on|off]``
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``host`` for a listening socket specifies the local address to
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be bound. For a connecting socket species the remote host to
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connect to. ``host`` is optional for listening sockets. If not
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@ -3199,21 +3199,21 @@ The available backends are:
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bind to subsequent ports up to and including ``to`` until it
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succeeds. ``to`` must be specified as a port number.
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``ipv4`` and ``ipv6`` specify that either IPv4 or IPv6 must be
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used. If neither is specified the socket may use either
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protocol.
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``ipv4=on|off`` and ``ipv6=on|off`` specify that either IPv4
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or IPv6 must be used. If neither is specified the socket may
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use either protocol.
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``nodelay`` disables the Nagle algorithm.
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``delay=on|off`` disables the Nagle algorithm.
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``unix options: path=path[,abstract=on|off][,tight=on|off]``
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``path`` specifies the local path of the unix socket. ``path``
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is required.
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``abstract`` specifies the use of the abstract socket namespace,
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``abstract=on|off`` specifies the use of the abstract socket namespace,
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rather than the filesystem. Optional, defaults to false.
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``tight`` sets the socket length of abstract sockets to their minimum,
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``tight=on|off`` sets the socket length of abstract sockets to their minimum,
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rather than the full sun_path length. Optional, defaults to true.
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``-chardev udp,id=id[,host=host],port=port[,localaddr=localaddr][,localport=localport][,ipv4][,ipv6]``
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``-chardev udp,id=id[,host=host],port=port[,localaddr=localaddr][,localport=localport][,ipv4=on|off][,ipv6=on|off]``
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Sends all traffic from the guest to a remote host over UDP.
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``host`` specifies the remote host to connect to. If not specified
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@ -3228,7 +3228,7 @@ The available backends are:
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``localport`` specifies the local port to bind to. If not specified
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any available local port will be used.
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``ipv4`` and ``ipv6`` specify that either IPv4 or IPv6 must be used.
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``ipv4=on|off`` and ``ipv6=on|off`` specify that either IPv4 or IPv6 must be used.
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If neither is specified the device may use either protocol.
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``-chardev msmouse,id=id``
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@ -3592,30 +3592,30 @@ SRST
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``telnet options:``
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localhost 5555
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``tcp:[host]:port[,server][,nowait][,nodelay][,reconnect=seconds]``
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``tcp:[host]:port[,server=on|off][,wait=on|off][,delay=on|off][,reconnect=seconds]``
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The TCP Net Console has two modes of operation. It can send the
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serial I/O to a location or wait for a connection from a
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location. By default the TCP Net Console is sent to host at the
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port. If you use the server option QEMU will wait for a client
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port. If you use the ``server=on`` option QEMU will wait for a client
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socket application to connect to the port before continuing,
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unless the ``nowait`` option was specified. The ``nodelay``
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option disables the Nagle buffering algorithm. The ``reconnect``
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option only applies if noserver is set, if the connection goes
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unless the ``wait=on|off`` option was specified. The ``delay=on|off``
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option disables the Nagle buffering algorithm. The ``reconnect=on``
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option only applies if ``server=no`` is set, if the connection goes
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down it will attempt to reconnect at the given interval. If host
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is omitted, 0.0.0.0 is assumed. Only one TCP connection at a
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time is accepted. You can use ``telnet`` to connect to the
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time is accepted. You can use ``telnet=on`` to connect to the
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corresponding character device.
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``Example to send tcp console to 192.168.0.2 port 4444``
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-serial tcp:192.168.0.2:4444
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``Example to listen and wait on port 4444 for connection``
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-serial tcp::4444,server
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-serial tcp::4444,server=on
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``Example to not wait and listen on ip 192.168.0.100 port 4444``
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-serial tcp:192.168.0.100:4444,server,nowait
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-serial tcp:192.168.0.100:4444,server=on,wait=off
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``telnet:host:port[,server][,nowait][,nodelay]``
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``telnet:host:port[,server=on|off][,wait=on|off][,delay=on|off]``
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The telnet protocol is used instead of raw tcp sockets. The
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options work the same as if you had specified ``-serial tcp``.
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The difference is that the port acts like a telnet server or
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@ -3625,11 +3625,11 @@ SRST
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you do it with Control-] and then type "send break" followed by
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pressing the enter key.
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``websocket:host:port,server[,nowait][,nodelay]``
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``websocket:host:port,server=on[,wait=on|off][,delay=on|off]``
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The WebSocket protocol is used instead of raw tcp socket. The
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port acts as a WebSocket server. Client mode is not supported.
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``unix:path[,server][,nowait][,reconnect=seconds]``
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``unix:path[,server=on|off][,wait=on|off][,reconnect=seconds]``
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A unix domain socket is used instead of a tcp socket. The option
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works the same as if you had specified ``-serial tcp`` except
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the unix domain socket path is used for connections.
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@ -3642,7 +3642,7 @@ SRST
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multiplex the monitor onto a telnet server listening on port
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4444 would be:
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``-serial mon:telnet::4444,server,nowait``
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``-serial mon:telnet::4444,server=on,wait=off``
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When the monitor is multiplexed to stdio in this way, Ctrl+C
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will not terminate QEMU any more but will be passed to the guest
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@ -4815,11 +4815,11 @@ SRST
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primary:
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-netdev tap,id=hn0,vhost=off,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown
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-device e1000,id=e0,netdev=hn0,mac=52:a4:00:12:78:66
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-chardev socket,id=mirror0,host=3.3.3.3,port=9003,server,nowait
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-chardev socket,id=compare1,host=3.3.3.3,port=9004,server,nowait
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-chardev socket,id=compare0,host=3.3.3.3,port=9001,server,nowait
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-chardev socket,id=mirror0,host=3.3.3.3,port=9003,server=on,wait=off
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-chardev socket,id=compare1,host=3.3.3.3,port=9004,server=on,wait=off
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-chardev socket,id=compare0,host=3.3.3.3,port=9001,server=on,wait=off
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-chardev socket,id=compare0-0,host=3.3.3.3,port=9001
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-chardev socket,id=compare_out,host=3.3.3.3,port=9005,server,nowait
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-chardev socket,id=compare_out,host=3.3.3.3,port=9005,server=on,wait=off
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-chardev socket,id=compare_out0,host=3.3.3.3,port=9005
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-object iothread,id=iothread1
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-object filter-mirror,id=m0,netdev=hn0,queue=tx,outdev=mirror0
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@ -4841,13 +4841,13 @@ SRST
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primary:
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-netdev tap,id=hn0,vhost=off,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown
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-device e1000,id=e0,netdev=hn0,mac=52:a4:00:12:78:66
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-chardev socket,id=mirror0,host=3.3.3.3,port=9003,server,nowait
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-chardev socket,id=compare1,host=3.3.3.3,port=9004,server,nowait
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-chardev socket,id=compare0,host=3.3.3.3,port=9001,server,nowait
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-chardev socket,id=mirror0,host=3.3.3.3,port=9003,server=on,wait=off
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-chardev socket,id=compare1,host=3.3.3.3,port=9004,server=on,wait=off
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-chardev socket,id=compare0,host=3.3.3.3,port=9001,server=on,wait=off
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-chardev socket,id=compare0-0,host=3.3.3.3,port=9001
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-chardev socket,id=compare_out,host=3.3.3.3,port=9005,server,nowait
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-chardev socket,id=compare_out,host=3.3.3.3,port=9005,server=on,wait=off
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-chardev socket,id=compare_out0,host=3.3.3.3,port=9005
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-chardev socket,id=notify_way,host=3.3.3.3,port=9009,server,nowait
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-chardev socket,id=notify_way,host=3.3.3.3,port=9009,server=on,wait=off
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-object filter-mirror,id=m0,netdev=hn0,queue=tx,outdev=mirror0
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-object filter-redirector,netdev=hn0,id=redire0,queue=rx,indev=compare_out
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-object filter-redirector,netdev=hn0,id=redire1,queue=rx,outdev=compare0
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