ctl_ha_msg_deregister
if (ctl_ha_msg_deregister(CTL_HA_CHAN_CTL) != CTL_HA_STATUS_SUCCESS)
if (ctl_ha_msg_deregister(CTL_HA_CHAN_DATA) != CTL_HA_STATUS_SUCCESS)
ctl_ha_status ctl_ha_msg_deregister(ctl_ha_channel channel);