systemctl --all --type=mount

  UNIT                       LOAD      ACTIVE   SUB     DESCRIPTION
  -.mount                    loaded    active   mounted /
  config.mount               loaded    active   mounted Droid mount for /config
  data.mount                 loaded    active   mounted /data
  dev-cg2_bpf.mount          loaded    active   mounted Droid mount for /dev/cg2
_bp
● dev-cpuctl.mount           loaded    failed   failed
 Droid mount for /dev/cpuctl
  dev-cpuset.mount           loaded    active   mounted Droid mount for /dev/cpu
set
  dev-hugepages.mount        loaded    inactive dead    Huge Pages File System
  dev-mqueue.mount           loaded    inactive dead    POSIX Message Queue File
 Sy
  dev-mtp.mount              loaded    active   mounted FFS mount
  dev-stune.mount            loaded    active   mounted Droid mount for /dev/stu
ne
● home.mount                 not-found inactive dead    home.mo
unt
  mnt-vendor-persist.mount   loaded    active   mounted Droid mount for /mnt/ven
dor
  proc-sys-fs-binfmt_misc.mount loaded    inactive dead    Arbitrary Executable
File F
  run-state.mount            loaded    active   mounted /run/state
  run-user-100000.mount      loaded    active   mounted /run/user/100000
  sys-fs-bpf.mount           loaded    active   mounted Droid mount for /sys/fs/
bpf
  sys-fs-fuse-connections.mount loaded    active   mounted FUSE Control File Sys
tem
● sys-fs-pstore.mount        error     inactive dead    Droid m
ount for /sys/fs/pst
  sys-kernel-config.mount    loaded    active   mounted Configuration File Syste
m
  sys-kernel-debug.mount     loaded    active   mounted Debug File System
  system-etc-ld.config.vndk_lite.txt.mount loaded    active   mounted Droid moun
t for /system/etc
  system.mount               loaded    active   mounted Droid mount for /system
  tmp.mount                  loaded    active   mounted Temporary Directory
  var-lib-machines.mount     loaded    inactive dead    Virtual Machine and Cont
ain
  vendor-bt_firmware.mount   loaded    active   mounted Droid mount for /vendor/
bt_
  vendor-dsp.mount           loaded    active   mounted Droid mount for /vendor/
dsp
  vendor-firmware_mnt.mount  loaded    active   mounted Droid mount for /vendor/
fir
  vendor.mount               loaded    active   mounted Droid mount for /vendor

LOAD   = Reflects whether the unit definition was properly loaded.
ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
SUB    = The low-level unit activation state, values depend on unit type.

28 loaded units listed.
To show all installed unit files use 'systemctl list-unit-files'.