# cat /etc/multipath.conf
# device-mapper-multipath configuration file

# For a complete list of the default configuration values, run either:
# # multipath -t
# or
# # multipathd show config
# For a list of configuration options with descriptions, see the
# multipath.conf man page.

defaults {	
        user_friendly_names yes	
        find_multipaths on      <--- the value 'on' cannot be parsed
}

blacklist {
}

# augtool print /augeas//error | grep multipath.conf
/augeas/files/etc/multipath.conf/error = "parse_failed"
/augeas/files/etc/multipath.conf/error/pos = "296"
/augeas/files/etc/multipath.conf/error/line = "13"
/augeas/files/etc/multipath.conf/error/char = "0"
/augeas/files/etc/multipath.conf/error/lens = "/usr/share/augeas/lenses/dist/multipath.aug:133.10-.64:"
/augeas/files/etc/multipath.conf/error/lens/last_matched = "/usr/share/augeas/lenses/dist/multipath.aug:24.24-.42:"
/augeas/files/etc/multipath.conf/error/lens/next_not_matched = "/usr/share/augeas/lenses/dist/multipath.aug:16.10-.37:"
/augeas/files/etc/multipath.conf/error/message = "Iterated lens matched less than it should"

# mpathconf --help | grep find_multipaths
Set find_multipaths (Default on): --find_multipaths <on|yes|y|off|no|n|strict|greedy|smart>