Comment 1 for bug 1532722

I was manually able to retrace one of the crashes.

Stacktrace:
 #0 __GI_strncpy (s1=0xbe86aa6f "", s1@entry=0xbe86aa70 "lo", s2=0x5 <error: Cannot access memory at address 0x5>, n=n@entry=80) at strncpy.c:41
         n4 = <optimized out>
         c = <optimized out>
         s = 0xbe86aa70 "lo"
 #1 0x00013032 in strncpy (__len=80, __src=<optimized out>, __dest=0xbe86aa70 "lo") at /usr/include/arm-linux-gnueabihf/bits/string3.h:126
 No locals.
 #2 do_interface (target_iface=<optimized out>) at main.c:846
         iface = "lo", '\000' <repeats 77 times>
         liface = "lo", '\000' <repeats 77 times>
         pch = <optimized out>
         envname = "IFUPDOWN_lo\000\000\000\000\000\070\000\000\000[\000\000\000n\000\000\000\005\000\000\000\000\320\362\266\003\000\000\000\000\000\000\000\344\240\002\000\000\000\000\000\204\t\001\000\220S\366\266PX\366\266\001\000\000\000\000\000\000\000\267\277\364\266\000\320\362\266\001\000\000\000\001\000\000\000\000\000\000\000\003\000\000\000\f\240\344\266 \242\002\000\220~\001\000\t\000\000\000\000\000\000\000\220\240\311\000`\240\311\000h\247\002\000\t\000\000\000\b\240\311\000\220\240\311\000ﺀ\002\000\210\242\311\000\004\000\000\000\337S\001\000\000\000\000"
         siface = <optimized out>
         envval = <optimized out>
         piface = "lo", '\000' <repeats 77 times>
         plock = 0x0
         success = false
         lock = 0x0
         current_state = 0x1 <error: Cannot access memory at address 0x1>
         __PRETTY_FUNCTION__ = "do_interface"
         have_mapping = <optimized out>
         okay = <optimized out>
         failed = <optimized out>
 #3 0x00011994 in main (argc=<optimized out>, argv=0xbe86ade8) at main.c:1146
         i = 0
         success = true