dracut does not update /etc/multipath.conf in initramfs

Issue

• Dracut command do not update /etc/multipath.conf in initramfs
• Update multipath.conf file:

# cat /etc/multipath.conf
defaults {
        find_multipaths yes
        user_friendly_names yes
}

devices {
    device {
        vendor                "PURE"
        path_grouping_policy  multibus
        path_checker          tur
        rr_min_io             1
        path_selector         "round-robin 0"
        no_path_retry         0
        fast_io_fail_tmo      3
        dev_loss_tmo          30
    }
}

blacklist_exceptions {
        wwid "*"
}

• multipath.conf of initramfs after rebuilding the initarmfs:

# lsinitrd initramfs-3.10.0-229.20.1.el7.x86_64.img -f /etc/multipath.conf
defaults {
        find_multipaths yes
        user_friendly_names yes
}

devices {
    device {
        vendor                "PURE"
        path_grouping_policy  multibus
        path_checker          tur
        rr_min_io             1
        path_selector         "round-robin 0"
        no_path_retry         0
        fast_io_fail_tmo      3
        dev_loss_tmo          30
    }
}


blacklist {
        wwid ".*"
}
blacklist_exceptions {
        wwid "360060e80164f0a0000014f0a0000471e"
        wwid "360060e80164f0a0000014f0a0000471e"
}