Can't restore CT with bind-mounted filesystem

Greetings!

I can't restore CT with following configuration:

$ uname -r
2.6.32-042stab062.2

# RAM
PHYSPAGES="70:75G"

# Swap
SWAPPAGES="0:0G"

# Disk quota parameters (in form of softlimit:hardlimit)
DISKSPACE="1.5T:2.0T"
DISKINODES="161061274:214748365"
QUOTATIME="0"

# CPU fair scheduler parameter
CPUUNITS="1000"
VE_ROOT="/vz/root/$VEID"
VE_PRIVATE="/vz/private/$VEID"
OSTEMPLATE="ubuntu-12.04-x86_64"
ORIGIN_SAMPLE="vswap-4g"
HOSTNAME="ppcdev-precise"
NAME="ppcdev-precise"
ONBOOT="no"
NETIF="ifname=eth0,mac=00:18:51:23:C5:4F,host_ifname=veth1000.0,host_mac=00:18:51:DB:4A:BC;"
NET_IP="xx.xx.xx.xx"
IOPRIO="2"
CAPABILITY="SYS_ADMIN:on"
BRIDGEDEV="br0"
NETIFDEV="veth1000.0"

.mount script:

[ -f /etc/vz/vz.conf ] || exit 1
[ -f $VE_CONFFILE ] || exit 1

# source both files. Note the order, it is important
. /etc/vz/vz.conf
. /etc/vz/conf/mount.conf
. $VE_CONFFILE

RETVAL=0

{
    sleep 5 && /usr/sbin/brctl addif $BRIDGEDEV $NETIFDEV
} &

    /bin/mount --bind -o rw /mnt/storebackup "$VE_ROOT"/mnt/backup
    /bin/mount --bind -o rw /mnt/ssd1 "$VE_ROOT"/var/www

RETVAL=$?

exit $RETVAL

.umount script:

[ -f /etc/vz/vz.conf ] || exit 1
[ -f $VE_CONFFILE ] || exit 1
# source both files. Note the order, it is important
. /etc/vz/vz.conf
. /etc/vz/conf/mount.conf
. $VE_CONFFILE

RETVAL=0

/bin/umount "$VE_ROOT"/opt ||:
/bin/umount "$VE_ROOT"/mnt/backup ||:
/bin/umount "$VE_ROOT"/var/www ||:

RETVAL=$?

exit $RETVAL

checkpoint command is OK:
2012-10-15T16:06:14+0400 vzctl : CT 1000 : Setting up checkpoint...
2012-10-15T16:06:14+0400 vzctl : CT 1000 : suspend...
2012-10-15T16:06:14+0400 vzctl : CT 1000 : dump...
2012-10-15T16:06:15+0400 vzctl : CT 1000 : kill...
2012-10-15T16:06:15+0400 vzctl : CT 1000 : Checkpointing completed successfully
2012-10-15T16:06:17+0400 vzctl : CT 1000 : Container is unmounted

restore command:
$ vzctl restore 1000
2012-10-15T16:10:30+0400 vzctl : CT 1000 : Restoring container ...
2012-10-15T16:10:30+0400 vzctl : CT 1000 : Starting container ...
2012-10-15T16:10:30+0400 vzctl : CT 1000 : Container is mounted
2012-10-15T16:10:31+0400 vzctl : CT 1000 : Setting CPU units: 1000
2012-10-15T16:10:31+0400 vzctl : CT 1000 : Configure veth devices: veth1000.0
2012-10-15T16:10:32+0400 vzctl : CT 1000 : Container start failed
2012-10-15T16:10:32+0400 vzctl : CT 1000 : Container is unmounted

relevant part in dmesg:

[ 69.603298] CT: 1000: started
[ 70.045691] CPT ERR: ffff880c359e9000,1000 :file 1455960 flags mismatch 00048001 0004c001
[ 70.687896] CPT ERR: ffff880c359e9000,1000 :rst_open_file: failed to lookup path '/proc/579/stat': -2
[ 70.929058] CPT ERR: ffff880c359e9000,1000 :rst_open_file: failed to lookup path '/proc/630/stat': -2
[ 70.956099] CPT ERR: ffff880c359e9000,1000 :rst_open_file: failed to lookup path '/proc/631/stat': -2
[ 71.035516] CPT ERR: ffff880c359e9000,1000 :do_rst_vma: sc_m(un)lock failed
[ 71.035585] CPT ERR: ffff880c359e9000,1000 :do_rst_mm: failed to restore vma: -12
[ 71.035652] CPT ERR: ffff880c359e9000,1000 :do_rst_mm 318909992
[ 71.035710] CPT ERR: ffff880c359e9000,1000 :rst_mm: -12
[ 71.035968] CPT ERR: ffff880c359e9000,1000 :make_baby: -12
[ 71.036027] CPT ERR: ffff880c359e9000,1000 :rst_clone_children
[ 71.299658] CT: 1000: stopped