wlan problem. auto change channel

Hi everybody!
I have problem with my access point with freebsd after update of 7.3 to
8.1. I can't connect to AP. AP has auto change channel (
http://fbsd.zlonet.ru/temp/wifi-problem.mov ). In the ifconfig not
changes. How to fix it?

FreeBSD server.zlonet.ru 8.1-RELEASE-p2 FreeBSD 8.1-RELEASE-p2 #4: Wed
Dec  1 17:39:53 KRAT 2010    
admin_at_server.zlonet.ru:/mnt/freebsd/obj/mnt/freebsd/src/8/src/sys/zlonet_r81 
i386

 kernel
device          wlan            # 802.11 support
options         IEEE80211_DEBUG # enable debug msgs
options         IEEE80211_AMPDU_AGE # age frames in AMPDU reorder q's
options         IEEE80211_SUPPORT_MESH  # enable 802.11s draft support
device          wlan_wep        # 802.11 WEP support
device          wlan_ccmp       # 802.11 CCMP support
device          wlan_tkip       # 802.11 TKIP support
device          wlan_amrr       # AMRR transmit rate control algorithm
device          wlan_xauth
device          ath             # Atheros pci/cardbus NIC's
device          ath_hal         # pci/cardbus chip support
options         AH_SUPPORT_AR5416       # enable AR5416 tx/rx descriptors
device          ath_rate_sample # SampleRate tx rate control for ath

rc.conf

ifconfig_rl0="up"
wlans_ath0="wlan0"
create_args_wlan0="wlanmode ap mediaopt hostap mode 11g ssid zlonet.ru
channel 6 country RU"
ifconfig_wlan0="up"
cloned_interfaces="bridge0"
ifconfig_bridge0="inet 192.168.3.100 netmask 255.255.255.0 addm rl0 addm
wlan0 up"
hostapd_enable="YES"

server# cat /etc/hostapd.conf
interface=wlan0
macaddr_acl=0
#driver=bsd
debug=1
ctrl_interface=/var/run/hostapd
ctrl_interface_group=wheel
ssid=zlonet.ru
hw_mode=g
channel=6
#auth_algs=2
wpa=2
wpa_passphrase=megapassword
wpa_key_mgmt=WPA-PSK
wpa_pairwise=CCMP

ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 2290
        ether 00:14:78:ee:d8:c1
        media: IEEE 802.11 Wireless Ethernet autoselect mode 11g <hostap>
        status: running
rl0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0
mtu 1500
        options=8<VLAN_MTU>
        ether 00:e0:4c:7e:df:29
        media: Ethernet autoselect (100baseTX <full-duplex>)
        status: active
bridge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu
1500
        ether 16:69:b9:6d:3e:73
        inet 192.168.3.100 netmask 0xffffff00 broadcast 192.168.3.255
        id 00:00:00:00:00:00 priority 32768 hellotime 2 fwddelay 15
        maxage 20 holdcnt 6 proto rstp maxaddr 100 timeout 1200
        root id 00:00:00:00:00:00 priority 32768 ifcost 0 port 0
        member: wlan0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 11 priority 128 path cost 370370
        member: rl0 flags=143<LEARNING,DISCOVER,AUTOEDGE,AUTOPTP>
                ifmaxaddr 0 port 4 priority 128 path cost 55
wlan0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric
0 mtu 1500
        ether 00:14:78:ee:d8:c1
        media: IEEE 802.11 Wireless Ethernet autoselect mode 11g <hostap>
        status: running
        ssid zlonet.ru channel 6 (2437 MHz 11g) bssid 00:14:78:ee:d8:c1
        regdomain NONE country RU indoor ecm authmode WPA2/802.11i
        privacy MIXED deftxkey 2 AES-CCM 2:128-bit AES-CCM 3:128-bit
        txpower 30 scanvalid 60 protmode CTS wme burst dtimperiod 1 -dfs

pciconf -lv
ath0_at_pci0:0:8:0:        class=0x020000 card=0x1052168c chip=0x001a168c
rev=0x01 hdr=0x00
    vendor     = 'Atheros Communications Inc.'
    device     =
'http://cr.am/framed.php?url=http%3A%2F%2Fwww.tp%2Dlink.com%2Fsupport%2Fdownload.asp&ref=driverguide
(Atheros AR5005G)'
    class      = network
    subclass   = ethernet