Core was generated by `/usr/sbin/keepalived -l -n -D -R --core-dump'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  strlen () at ../sysdeps/x86_64/strlen.S:106
106	../sysdeps/x86_64/strlen.S: No such file or directory.
(gdb) bt
#0  strlen () at ../sysdeps/x86_64/strlen.S:106
#1  0x0000000000416319 in ?? ()
#2  0x00000000004244dc in ?? ()
#3  0x0000000000424351 in ?? ()
#4  0x0000000000424351 in ?? ()
#5  0x0000000000424711 in ?? ()
#6  0x0000000000424d30 in ?? ()
#7  0x0000000000412461 in ?? ()
#8  0x00000000004128a7 in ?? ()
#9  0x0000000000403b35 in ?? ()
#10 0x00007f57c5473830 in __libc_start_main (main=0x4038e0, argc=6, argv=0x7ffd00dd7638, init=<optimized out>,
    fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd00dd7628) at ../csu/libc-start.c:291
#11 0x0000000000403b89 in ?? ()