.
Thread 3 (Thread 0x7f57bb8dd700 (LWP 1217)):
#0  0x00007f57c357910d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f57c3f2f576 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f57c3f2f902 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f57c4516476 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007f57c3f56f65 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f57c384b6ca in start_thread (arg=0x7f57bb8dd700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f57bb8dd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140014785517312, 8677248699420345466, 0, 140724942627167, 140014785518016, 140014785517312, -8735663123095387014, -8735786189288536966}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f57c35850ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
.
Thread 2 (Thread 0x7f57bc0de700 (LWP 1216)):
#0  0x00007f57c357910d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f57c3f2f576 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f57c3f2f68c in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f57c3f2f6d1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f57c3f56f65 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f57c384b6ca in start_thread (arg=0x7f57bc0de700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f57bc0de700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140014793910016, 8677248699420345466, 0, 140724942626815, 140014793910720, 140014793910016, -8735646629884099462, -8735786189288536966}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#6  0x00007f57c35850ff in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105
.
Thread 1 (Thread 0x7f57c51ec900 (LWP 1028)):
#0  0x00007f57c35c9ac1 in __strcasecmp_l_avx () at ../sysdeps/x86_64/multiarch/strcmp-sse42.S:164
#1  0x000055e56f94310f in  ()
#2  0x000055e56f94471a in  ()
#3  0x00007f57c49ee489 in avahi_service_resolver_event () at /usr/lib/x86_64-linux-gnu/libavahi-client.so.3
#4  0x00007f57c49e9ecc in  () at /usr/lib/x86_64-linux-gnu/libavahi-client.so.3
#5  0x00007f57c27752a1 in dbus_connection_dispatch () at /lib/x86_64-linux-gnu/libdbus-1.so.3
#6  0x00007f57c49f04d6 in  () at /usr/lib/x86_64-linux-gnu/libavahi-client.so.3
#7  0x00007f57c47e2680 in  () at /usr/lib/x86_64-linux-gnu/libavahi-glib.so.1
#8  0x00007f57c3f2f377 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f57c3f2f5e0 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f57c3f2f902 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x000055e56f9398cb in  ()
#12 0x00007f57c349d3f1 in __libc_start_main (main=0x55e56f939100, argc=1, argv=0x7ffd14376728, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd14376718) at ../csu/libc-start.c:291
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -3197247189566126982, 94443907818624, 140724942628640, 0, 0, -8677891291275885446, -8735785752371559302}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffd14376738, 0x7f57c52b0168}, data = {prev = 0x0, cleanup = 0x0, canceltype = 339175224}}}
        not_first_call = <optimized out>
#13 0x000055e56f93a4aa in  ()