void lacp_slave_unregister(struct lacp *, const void *slave);
void lacp_slave_carrier_changed(const struct lacp *, const void *slave);
bool lacp_slave_may_enable(const struct lacp *, const void *slave);
-uint16_t lacp_slave_get_port_id(const struct lacp *, const void *slave);
bool lacp_slave_is_current(const struct lacp *, const void *slave_);
/* Callback function for lacp_run() for sending a LACP PDU. */