IPACM: fix the crash due to unsupport tether ifaces

When getting the UPSTREAM_ADD event from CNE, IPACM
should check if the tethered ifaces are supported or
not to avoid the crash due to access memory outside
the boundary.

Change-Id: Ib0464ad72c35968638a82a20b396149c6dd44d2f
1 file changed
tree: 7b61e935126409b82f143e4cc9641e4836605198
  1. ipacm/
  2. ipanat/
  3. configure.ac
  4. Makefile.am