MFC	198306
MFC	198306

The flow-table function flowtable_route_flush() may be called
during system initialization time. Since the flow-table is
designed to maintain per CPU flow cache, the existing code
did not check whether "smp_started" is true before calling
sched_bind() and sched_unbind(), which triggers a page fault.

Reviewed by:	jeff
Approved by:	re

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