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	void			void
	pf_altq_ifnet_event(struct ifnet *ifp, int remove)			pf_altq_ifnet_event(struct ifnet *ifp, int remove)
	{			{
	struct ifnet *ifp1;			struct ifnet *ifp1;
	struct pf_altq a1, a2, *a3;			struct pf_altq a1, a2, *a3;
	u_int32_t ticket;			u_int32_t ticket;
	int error = 0;			int error = 0;

				/*
				* No need to re-evaluate the configuration for events on interfaces
				* that do not support ALTQ, as it's not possible for such
				* interfaces to be part of the configuration.
				*/
				if (!ALTQ_IS_READY(&ifp->if_snd))
				return;

	/* Interrupt userland queue modifications */			/* Interrupt userland queue modifications */
	if (V_altqs_inactive_open)			if (V_altqs_inactive_open)
	pf_rollback_altq(V_ticket_altqs_inactive);			pf_rollback_altq(V_ticket_altqs_inactive);

	/* Start new altq ruleset */			/* Start new altq ruleset */
	if (pf_begin_altq(&ticket))			if (pf_begin_altq(&ticket))
	return;			return;

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