* 'lsfd--revise-unix-endpoints' of https://github.com/masatake/util-linux:
lsfd: (man) fix a typo
lsfd: add UNIX.IPEER column
lsfd: fill ENDPOINTS column for UNIX one-way sockets
include/list: add a macro for initializing list_head a declarative way
lsfd: (refactor) add a helper function building ENDPOINTS strings for UNIX socket
lsfd: add a dummy entry for UNIX socket having no peer to the IPC table
tests: (lsfd::mkfds-unix-dgram, refactor) split the test into subtests
tests: add ts_is_in_docker as a helper function
lsfd: (man) fix a typo