void *aux; /* Client-provided handle for this slave. */
struct netdev *netdev; /* Network device, owned by the client. */
- unsigned int change_seq; /* Tracks changes in 'netdev'. */
+ uint64_t change_seq; /* Tracks changes in 'netdev'. */
ofp_port_t ofp_port; /* OpenFlow port number. */
char *name; /* Name (a copy of netdev_get_name(netdev)). */