setup.c: In function 'main':
setup.c:133:2: warning: 'memset' writing 8 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
  memset(&ifra.ifra_prefixmask.sin6_addr + 8, 0x00, 8);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
===SETUP===
sizeof(struct in6_aliasreq)=128 offsetof(ifra_dstaddr)=44
created gif0
SIOCAIFADDR_IN6 failed: Invalid argument
SETUP-RC=1
===LEAK===
SIOCGLIFADDR on gif0: Can't assign requested address
LEAK-RC=1
===DELETE===
issuing SIOCDLIFADDR (expect kernel stack smash)...
SIOCDLIFADDR returned error: Can't assign requested address
DELETE-RC=1
===GUEST===
 7:01PM  up 1 min, 0 users, load averages: 0.07, 0.04, 0.01