K 10 svn:author V 6 qingli K 8 svn:date V 27 2011-10-10T19:41:00.037283Z K 7 svn:log V 152 MFC 225946 This patch allows ARP to work properly in the presence of self-referencing routes. This patch is a rework of r223862. Reviewed by: bz, zec END