K 10 svn:author V 3 mav K 8 svn:date V 27 2007-04-24T10:50:25.000000Z K 7 svn:log V 203 Avoid false assertion on transmit and delayed ack timeout with enabled invariants. Replace callout_pending() by callout_active() to remove race window. Reviewed by: archie Approved by: glebius (mentor) END