Can't connect to AMT 8

Motherboard: Intel DQ77KB, the latest BIOS.

k1% biosver
Version: KBQ7710H.86A.0052.2013.0708.1336
Release Date: 07/08/2013
smbios.bios.reldate="07/08/2013"
smbios.bios.vendor="Intel Corp."
smbios.bios.version="KBQ7710H.86A.0052.2013.0708.1336"

lspci -vv
00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network
Connection (rev 04)
Subsystem: Intel Corporation Device 2036
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 20
Region 0: Memory at f7e00000 (32-bit, non-prefetchable)
Region 1: Memory at f7e39000 (32-bit, non-prefetchable)
Region 2: I/O ports at f080
Capabilities: [c8] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=1 PME-
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Address: 00000000fee05000  Data: 0031
Capabilities: [e0] PCI Advanced Features
AFCap: TP+ FLR+
AFCtrl: FLR-
AFStatus: TP-

FreeBSD k1 9.2-PRERELEASE FreeBSD 9.2-PRERELEASE #0: Thu Aug 22
19:50:35 CEST 2013

AMT doesn't respond after 5 minutes from boot FreeBSD. FreeBSD  are
not handling the traffic correctly.

tcpdump:

08:57:55.363819 IP vol.11765 > k1.16992: Flags [S], seq 988250154, win
65535, options [mss 1460,nop,wscale 9,sackOK,TS val 855131498 ecr 0],
length 0

08:57:55.364052 IP k1.16992 > vol.11765: Flags [R.], seq 0, ack
988250155, win 0, length 0

I don't have problems with any operating systems like Linux or
Windows. Only on FreeBSD.

Regards,
Kamil