Same on xenial (0.8.17-4ubuntu6~gcc5.4ubuntu1.4):
root@xxx:~# lslocks COMMAND PID TYPE SIZE MODE M START END PATH iscsid 396 POSIX 4B WRITE 0 0 0 /run/iscsid.pid atd 390 POSIX 4B WRITE 0 0 0 /run/atd.pid cron 392 FLOCK 4B WRITE 0 0 0 /run/crond.pid dpkg 2729 POSIX 0B WRITE 0 0 0 /var/lib/dpkg/lock packagekitd 2653 POSIX 0B WRITE 0 0 0 /var/lib/dpkg/lock-frontend packagekitd 2653 POSIX 0B WRITE 0 0 0 /var/cache/apt/archives/lock
Same on xenial (0.8.17- 4ubuntu6~ gcc5.4ubuntu1. 4):
root@xxx:~# lslocks dpkg/lock- frontend apt/archives/ lock
COMMAND PID TYPE SIZE MODE M START END PATH
iscsid 396 POSIX 4B WRITE 0 0 0 /run/iscsid.pid
atd 390 POSIX 4B WRITE 0 0 0 /run/atd.pid
cron 392 FLOCK 4B WRITE 0 0 0 /run/crond.pid
dpkg 2729 POSIX 0B WRITE 0 0 0 /var/lib/dpkg/lock
packagekitd 2653 POSIX 0B WRITE 0 0 0 /var/lib/
packagekitd 2653 POSIX 0B WRITE 0 0 0 /var/cache/