When stopping the bond device we don't need to try and free up the LACPDU's
from deactivated devices since this is covered by
bond_mode_8023ad_deactivate_slave().
This fixes the following:
[    0.100569] PANIC in bond_ethdev_stop():
[    0.100589] line 1172        assert "port->rx_ring != NULL" failed
Signed-off-by: Jan Blunck <jblunck@infradead.org>
Acked-by: Declan Doherty <declan.doherty@intel.com>
                bond_mode_8023ad_stop(eth_dev);
 
                /* Discard all messages to/from mode 4 state machines */
-               for (i = 0; i < internals->slave_count; i++) {
-                       port = &mode_8023ad_ports[internals->slaves[i].port_id];
+               for (i = 0; i < internals->active_slave_count; i++) {
+                       port = &mode_8023ad_ports[internals->active_slaves[i]];
 
                        RTE_VERIFY(port->rx_ring != NULL);
                        while (rte_ring_dequeue(port->rx_ring, &pkt) != -ENOENT)