#0  0x00007fad0289d5a0 in curl_multi_cleanup () from /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4
No symbol table info available.
#1  0x00007fad035e38b8 in ?? ()
No symbol table info available.
#2  0x00007fad035ca22a in ?? ()
No symbol table info available.
#3  0x00007fad0204ff8e in start_thread (arg=0x7face7fff700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7face7fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140380603414272, -2129101610471462793, 0, 140381061742688, 140381039990592, 4096, 2101534655449852023, 2101471647781152887}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#4  0x00007fad00122e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.