That way the state can be correctly restored when the device is opened again. This might happen if the backend is restarted.
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=1738768 Reported-by: Pei Zhang <pezh...@redhat.com> Fixes: 6ab79a20af3a (do not call vhost_net_cleanup() on running net from char user event) Cc: ddstr...@canonical.com Cc: Michael S. Tsirkin <m...@redhat.com> Signed-off-by: Adrian Moreno <amore...@redhat.com> --- net/vhost-user.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/net/vhost-user.c b/net/vhost-user.c index 51921de443..014199d600 100644 --- a/net/vhost-user.c +++ b/net/vhost-user.c @@ -235,6 +235,10 @@ static void chr_closed_bh(void *opaque) s = DO_UPCAST(NetVhostUserState, nc, ncs[0]); + if (s->vhost_net) { + s->acked_features = vhost_net_get_acked_features(s->vhost_net); + } + qmp_set_link(name, false, &err); qemu_chr_fe_set_handlers(&s->chr, NULL, NULL, net_vhost_user_event, -- 2.21.0