Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging

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* tag 'net-pull-request' of https://github.com/jasowang/qemu: (26 commits)
  net: stream: add QAPI events to report connection state
  net: stream: move to QIO to enable additional parameters
  qemu-sockets: update socket_uri() and socket_parse() to be consistent
  qemu-sockets: move and rename SocketAddress_to_str()
  net: dgram: add unix socket
  net: dgram: move mcast specific code from net_socket_fd_init_dgram()
  net: dgram: make dgram_dst generic
  net: stream: add unix socket
  net: stream: Don't ignore EINVAL on netdev socket connection
  net: socket: Don't ignore EINVAL on netdev socket connection
  qapi: net: add stream and dgram netdevs
  net: introduce qemu_set_info_str() function
  qapi: net: introduce a way to bypass qemu_opts_parse_noisily()
  net: simplify net_client_parse() error management
  net: remove the @errp argument of net_client_inits()
  net: introduce convert_host_port()
  vhost: Accept event idx flag
  vhost: use avail event idx on vhost_svq_kick
  vhost: toggle device callbacks using used event idx
  vhost: allocate event_idx fields on vring
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>