ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="dm-*", \
    ENV{DM_NAME}=="[vV]entoy*", \
    ENV{DM_UDEV_DISABLE_SUBSYSTEM_RULES_FLAG}="", \
    ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}="", \
    ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}=""

ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="dm-*", \
    ENV{DM_NAME}=="vtoy*", \
    ENV{DM_UDEV_DISABLE_SUBSYSTEM_RULES_FLAG}="", \
    ENV{DM_UDEV_DISABLE_DISK_RULES_FLAG}="", \
    ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}=""