libnetfilter-log1-dbg 1.0.1-1.1build1 (s390x binary) in ubuntu groovy

 libnetfilter_log is a userspace library providing interface to
 packets that have been logged by the kernel packet filter. It is part
 of a system that deprecates the old syslog/dmesg based packet
 logging.
 .
 This package provides the debugging symbols.