tree 40d56ffd2a17abca5237c6fda248f3ffee503744
parent 62ce01933dc261c07ad3e83a38ab73ca5500ab66
author Skylar Chang <chiaweic@codeaurora.org> 1403772447 -0700
committer Skylar Chang <chiaweic@codeaurora.org> 1403812391 -0700

IPACM: add backup support to reset upstream iface

For some use cases, QCMAP failed to delete the previous default
route upstream interface and directly setup the new default
route upstream interface which leads IPACM not updating the
rules correctly. The solution is to have this backup mechanism
to internally reset the rules in IPA when new default route
upstream interface add event is received without route delete.

Change-Id: Ib6a52ab8e3df9de9c52a3f6dbeba4f6d35aeba02