Modems dont register with docsis3.0

I have problem with modems. My modems dont register with docsis 3.0.

i cant find any reason to this problem.

CMTS10#show cable modem 80c6.aba3.8f75 verbose

MAC Address : 80c6.aba3.8f75
IP Address : 10.9.168.57
IPv6 Address : ---
Dual IP : N
Prim Sid : 9
Host Interface : C8/0/0/UB
MD-DS-SG / MD-US-SG : 1 / 1
MD-CM-SG : 0x5A0101
Primary Wideband Channel ID : 3073 (Wi8/0/0:0)
Primary Downstream : In8/0/0:3 (RfId : 2307)
Wideband Capable : Y
RCP Index : 3
RCP ID : 00 10 00 10 04
Downstream Channel DCID RF Channel : 148 8/0/0:3
Downstream Channel DCID RF Channel : 145 8/0/0:0
Downstream Channel DCID RF Channel : 146 8/0/0:1
Downstream Channel DCID RF Channel : 147 8/0/0:2
Extended Upstream Transmit Power : 0dB
Multi-Transmit Channel Mode : Y
Number of US in UBG : 4
Upstream Channel : US0 US1 US2 US3
Ranging Status : cnt cnt cnt cnt
Upstream SNR (dB) : 36.12 36.12 36.12 36.12
Upstream Data SNR (dB) : -- -- -- --
Received Power (dBmV) : 3.50 4.00 2.50 5.00
Reported Transmit Power (dBmV) : 46.00 46.00 46.00 46.00
Peak Transmit Power (dBmV) : 51.00 51.00 51.00 51.00
Phy Max Power (dBmV) : 51.00 51.00 51.00 51.00
Minimum Transmit Power (dBmV) : 21.00 21.00 21.00 21.00
Timing Offset (97.6 ns): 2468 2467 2468 2467
Initial Timing Offset : 2212 2212 2468 2212
Rng Timing Adj Moving Avg(0.381 ns): 65536 65280 0 65280
Rng Timing Adj Lt Moving Avg : 8192 8160 0 8160
Rng Timing Adj Minimum : 0 0 0 0
Rng Timing Adj Maximum : 65536 65280 0 65280
Pre-EQ Good : 0 0 0 0
Pre-EQ Scaled : 0 0 0 0
Pre-EQ Impulse : 0 0 0 0
Pre-EQ Direct Loads : 0 0 0 0
Good Codewords rx : 0 0 23 0
Corrected Codewords rx : 0 0 0 0
Uncorrectable Codewords rx : 0 0 0 0
Phy Operating Mode : atdma* atdma* atdma* atdma*
sysDescr :
Downstream Power : 0.00 dBmV (SNR = ----- dB)
MAC Version : DOC3.0
QoS Provisioned Mode : DOC1.1
Enable DOCSIS2.0 Mode : Y
Modem Status : {Modem= init(t), Security=disabled}
Capabilities : {Frag=N, Concat=N, PHS=Y}
Security Capabilities : {Priv=, EAE=Y, Key_len=}
L2VPN Capabilities : {L2VPN=N, eSAFE=N}
Sid/Said Limit : {Max US Sids=16, Max DS Saids=15}
Optional Filtering Support : {802.1P=N, 802.1Q=N, DUT=N}
Transmit Equalizer Support : {Taps/Symbol= 1, Num of Taps= 24}
Number of CPE : 0(Max CPE = 2)
Number of CPE IPs : 0(Max CPE IPs = 16)
CFG Max-CPE : 2
Flaps : 1(Nov 5 17:52:10)
Errors : 0 CRCs, 0 HCSes
Stn Mtn Failures : 0 aborts, 0 exhausted
Total US Flows : 1(1 active)
Total DS Flows : 1(1 active)
Total US Data : 0 packets, 0 bytes
Total US Throughput : 0 bits/sec, 0 packets/sec
Total DS Data : 0 packets, 0 bytes
Total DS Throughput : 0 bits/sec, 0 packets/sec
LB group ID assigned (index) : 2153382145 (55808)
LB group ID in config file (index) : N/A (N/A)
LB policy ID : 0
LB policy ID in config file : 0
LB priority : 0
Tag :
Required DS Attribute Mask : 0x0
Forbidden DS Attribute Mask : 0x0
Required US Attribute Mask : 0x0
Forbidden US Attribute Mask : 0x0
Service Type ID :
Service Type ID in config file :
Ranging Class ID : 0x2
Active Classifiers : 0 (Max = 2)
CM Upstream Filter Group : 0
CM Downstream Filter Group : 0
CPE Upstream Filter Group : 0
CPE Downstream Filter Group : 0
DSA/DSX messages : permit all
Voice Enabled : NO
DS Change Times : 0
Boolean Services : 2
Number of Multicast DSIDs Support : 16
MDF Capability Mode : 2
IGMP/MLD Version : IGMPv3
FCType10 Forwarding Support : Y
Features Bitmask : 0x0
Total Time Online : 00:00 (00:00 since last counter reset)
CM Initialization Reason : T4_EXPIRED
CFG Max IPv6 CPE Prefix : 16 (-1 used)
CMTS10#

Some time after the initialization the CM Initialization Reason change to TCS_FAILED_ON_AL_US and some time after change to FAILLED_PRIM_DS.