__assert_fail_base (fmt=0x7f728f6c04b8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7f729002558a "key", file=file@entry=0x7f7290025905 "strlst.c", line=line@entry=381, function=function@entry=0x7f7290025a30 "avahi_string_list_find") at assert.c:92
__GI___assert_fail (assertion=0x7f729002558a "key", file=0x7f7290025905 "strlst.c", line=381, function=0x7f7290025a30 "avahi_string_list_find") at assert.c:101
avahi_string_list_find () from /tmp/apport_sandbox_hNv2aV/usr/lib/x86_64-linux-gnu/libavahi-common.so.3
generate_local_queue (host=host@entry=0x23abfd8 "zMac.local", port=port@entry=9631, resource=<optimized out>, name=name@entry=0x23abf9c "Brother HL-2270DW series", type=type@entry=0x23abfbc "_ipp._tcp", domain=domain@entry=0x23abfcc "local", txt=txt@entry=0x23a82f0) at utils/cups-browsed.c:979
resolve_callback (r=0x2397950, interface=<optimized out>, protocol=<optimized out>, event=<optimized out>, name=0x23abf9c "Brother HL-2270DW series", type=0x23abfbc "_ipp._tcp", domain=0x23abfcc "local", host_name=0x23abfd8 "zMac.local", address=0x7fff29371e00, port=9631, txt=0x23a82f0, flags=(AVAHI_LOOKUP_RESULT_CACHED | AVAHI_LOOKUP_RESULT_MULTICAST), userdata=0x23a4460) at utils/cups-browsed.c:1203