Comment 2 for bug 1934221

Here is backtrace, as i am unable to attach crash report (launchpad gives error)
apport-retrace -g _lib_systemd_systemd-resolved.102.crash
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Reading symbols from /lib/systemd/systemd-resolved...
(No debugging symbols found in /lib/systemd/systemd-resolved)
warning: core file may not match specified executable file.
[New LWP 1792202]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/lib/systemd/systemd-resolved'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x0000564ff982f3e0 in ?? ()
(gdb) bt full
#0 0x0000564ff982f3e0 in ?? ()
No symbol table info available.
#1 0x0000564ff772a97f in ?? ()
No symbol table info available.
#2 0x00007f3e903c2b96 in ?? () from /lib/systemd/libsystemd-shared-245.so
No symbol table info available.
#3 0x00007f3e903c2f11 in sd_event_dispatch () from /lib/systemd/libsystemd-shared-245.so
No symbol table info available.
#4 0x00007f3e903c4948 in sd_event_run () from /lib/systemd/libsystemd-shared-245.so
No symbol table info available.
#5 0x00007f3e903c4b6f in sd_event_loop () from /lib/systemd/libsystemd-shared-245.so
No symbol table info available.
#6 0x0000564ff770522a in ?? ()
No symbol table info available.
#7 0x00007f3e905cc0b3 in __libc_start_main (main=0x564ff7703e40, argc=1, argv=0x7ffe2fd0ba18, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe2fd0ba08)
    at ../csu/libc-start.c:308
        self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {94901453980416, -7807279351804040094, 94901453740880, 140729700629008, 0, 0, 7807736978364591202, 7916158757757021282}, mask_was_saved = 0}}, priv = {pad = {
              0x0, 0x0, 0x1, 0x7ffe2fd0ba18}, data = {prev = 0x0, cleanup = 0x0, canceltype = 1}}}
        not_first_call = <optimized out>
#8 0x0000564ff7705b7e in ?? ()
No symbol table info available.