DHCPv6 client doesn't correct work

Hello.

I have SRX220H, JUNOS 12.1X46-D55.3. My ISP uses DHCPv6 PD with DUID-LL.

I cannot get IPv6.

My config:

# show interfaces ge-0/0/7  
description ISP;
unit 0 {
    family inet6 {
        dhcpv6-client {
            client-type statefull;
            client-ia-type ia-pd;
            client-ia-type ia-na;
            update-router-advertisement {
                interface ge-0/0/0.2 {
                    max-advertisement-interval 10;
                    min-advertisement-interval 5;
                }
            }
            client-identifier duid-type duid-ll;
        }
    }
}

Current status dhcpv6 client:

> show dhcpv6 client binding detail 

Client Interface: ge-0/0/7.0
     Hardware Address:             3c:8a:b0:5e:bd:1f
     State:                        SELECTING(DHCPV6_CLIENT_STATE_SELECTING)
     ClientType:                   STATEFUL
     Bind Type:                    IA_NA IA_PD
     Client DUID:                  LL0x3-3c:8a:b0:5e:bd:1f
     Rapid Commit:                 Off
     Server Ip Address:            ::/0
     Client IP Address:            ::/0
     Client IP Prefix:             ::/0

On interface:

> show interfaces ge-0/0/7 terse     
Interface               Admin Link Proto    Local                 Remote
ge-0/0/7                up    up  
ge-0/0/7.0              up    up   inet     X.X.X.X/XX
                                   inet6    fe80::3e8a:b0ff:fe5e:bd1f/64

But in wireshark I see different Link-Local Address and DUID

Frame 319: 112 bytes on wire (896 bits), 112 bytes captured (896 bits) on interface 0
Ethernet II, Src: JuniperN_5e:bd:1f (3c:8a:b0:5e:bd:1f), Dst: IPv6mcast_01:00:02 (33:33:00:01:00:02)
Internet Protocol Version 6, Src: fe80::3e8a:b0ff:fe5e:bd1f, Dst: ff02::1:2
    0110 .... = Version: 6
    .... 0000 0000 .... .... .... .... .... = Traffic class: 0x00 (DSCP: CS0, ECN: Not-ECT)
    .... .... .... 0000 0000 0000 0000 0000 = Flowlabel: 0x00000000
    Payload length: 58
    Next header: UDP (17)
    Hop limit: 255
    Source: fe80::3e8a:b0ff:fe5e:bd1f
    [Source SA MAC: JuniperN_5e:bd:1f (3c:8a:b0:5e:bd:1f)]
    Destination: ff02::1:2
    [Source GeoIP: Unknown]
    [Destination GeoIP: Unknown]
User Datagram Protocol, Src Port: 546 (546), Dst Port: 547 (547)
DHCPv6
    Message type: Solicit (1)
    Transaction ID: 0xe79a44
    Client Identifier
        Option: Client Identifier (1)
        Length: 10
        Value: 000300013c8ab05ec71f
        DUID: 000300013c8ab05ec71f
        DUID Type: link-layer address (3)
        Hardware type: Ethernet (1)
        Link-layer address: 3c:8a:b0:5e:c7:1f
    Identity Association for Prefix Delegation
        Option: Identity Association for Prefix Delegation (25)
        Length: 12
        Value: 00000000ffffffffffffffff
        IAID: 00000000
        T1: infinity
        T2: infinity
    Identity Association for Non-temporary Address
        Option: Identity Association for Non-temporary Address (3)
        Length: 12
        Value: 00000000ffffffffffffffff
        IAID: 00000000
        T1: infinity
        T2: infinity

In config Client DUID: LL0x3-3c:8a:b0:5e:bd:1f but in request DUID: 000300013c8ab05ec71f.

With OpenWRT 15.05 with same MAC I see correct DUID in DHCPv6 request and get IPv6 from ISP.

I did not find the informationwhy mySRXgeneratesDHCPrequest exactly.