.
Thread 2 (Thread 0x7f32d6c76700 (LWP 1871)):
#0  0x00007f32db6f7831 in __GI___poll (fds=0x7f32d0000b10, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
#1  0x00007f32dc2da94a in ?? () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3
No symbol table info available.
#2  0x00007f32dc2da4d3 in avahi_simple_poll_run () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3
No symbol table info available.
#3  0x00007f32dc2da6a8 in avahi_simple_poll_iterate () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3
No symbol table info available.
#4  0x00007f32dc2da8dd in avahi_simple_poll_loop () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3
No symbol table info available.
#5  0x00007f32dc2da9a4 in ?? () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3
No symbol table info available.
#6  0x00007f32db9d67fc in start_thread (arg=0x7f32d6c76700) at pthread_create.c:465
        pd = 0x7f32d6c76700
        now = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139856328484608, 1743273175691779103, 140733812064750, 140733812064751, 139856328484608, 139856328485312, -1849585020399559649, -1849591256509621217}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimised out>
        pagesize_m1 = <optimised out>
        sp = <optimised out>
        freesize = <optimised out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f32db703a3f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 1 (Thread 0x7f32dd19b040 (LWP 1234)):
#0  0x00007f32dc0c7954 in avahi_entry_group_free () from /usr/lib/x86_64-linux-gnu/libavahi-client.so.3
No symbol table info available.
#1  0x000056336daadb10 in ?? ()
No symbol table info available.
#2  0x000056336daaeee1 in ?? ()
No symbol table info available.
#3  0x000056336dacaf45 in ?? ()
No symbol table info available.
#4  0x000056336da9a3c6 in ?? ()
No symbol table info available.
#5  0x00007f32db6101c1 in __libc_start_main (main=0x56336da99380, argc=2, argv=0x7fff24e04d68, init=<optimised out>, fini=<optimised out>, rtld_fini=<optimised out>, stack_end=0x7fff24e04d58) at ../csu/libc-start.c:308
        result = <optimised out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -5451744864296018913, 94778883158064, 140733812067680, 0, 0, -1743156427101086689, -1849590258780251105}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7fff24e04d80, 0x7f32dd1f2150}, data = {prev = 0x0, cleanup = 0x0, canceltype = 618679680}}}
        not_first_call = <optimised out>
#6  0x000056336da9b05a in ?? ()
No symbol table info available.