# iptables -t nat -A POSTROUTING -o eth2 -j SNAT --to-source 192.168.46.100
modprobe: Can't open dependencies file /lib/modules/2.6.16-ovz-smp-alt7/modules.dep (No such file or directory)
iptables v1.3.5: can't initialize iptables table `nat': Incompatible with this kernel
Perhaps iptables or your kernel needs to be upgraded.

# cat /etc/vz/vz.conf 
## Global parameters
VIRTUOZZO=yes
LOCKDIR=/var/lib/vz/lock
DUMPDIR=/var/lib/vz/dump
VE0CPUUNITS=1000

## Logging parameters
LOGGING=yes
LOGFILE=/var/log/vzctl.log
LOG_LEVEL=0

## Disk quota parameters
DISK_QUOTA=yes
VZFASTBOOT=no

# The name of the device whose ip address will be used as source ip for VE.
# By default automatically assigned.
#VE_ROUTE_SRC_DEV="eth0"

## Template parameters
TEMPLATE=/var/lib/vz/template

## Defaults for VEs
VE_ROOT=/var/lib/vz/root/$VEID
VE_PRIVATE=/var/lib/vz/private/$VEID
CONFIGFILE="vps.basic"
DEF_OSTEMPLATE="altlinux-sisyphus"

## Load vzwdog module
VZWDOG="no"
IPV6="no"

IPTABLES="ipt_REJECT ipt_tos ipt_limit ipt_multiport iptable_filter iptable_mangle ipt_TCPMSS ipt_tcpmss ipt_ttl ipt_length"

# lsmod 
Module                  Size  Used by
simfs                   5468  4 
vznetdev               16640  5 
vzethdev               10120  0 
vzrst                 114964  0 
ip_nat                 18320  1 vzrst
vzcpt                  95908  0 
ip_conntrack           58184  3 vzrst,ip_nat,vzcpt
nfnetlink               7064  2 ip_nat,ip_conntrack
vzdquota               37524  4 [permanent]
vzmon                  63300  8 vznetdev,vzethdev,vzrst,vzcpt
md5                     4864  1 
ipv6                  243296  19 vzrst,vzcpt,vzmon
vzdev                   4356  4 vznetdev,vzethdev,vzdquota,vzmon
af_packet              23176  0 
ipt_ttl                 3328  4 
ipt_TCPMSS              5632  4 
iptable_mangle          5632  4 
iptable_filter          5248  4 
ipt_multiport           3968  8 
ipt_tos                 3072  4 
ipt_REJECT              6656  4 
ip_tables              15224  2 iptable_mangle,iptable_filter
x_tables               17280  6 ipt_ttl,ipt_TCPMSS,ipt_multiport,ipt_tos,ipt_REJECT,ip_tables
drbd                  130272  4 
bridge                 49428  0 
8139too                26880  0 
mii                     6272  1 8139too
tg3                    93316  0 
dm_mod                 52120  0 
button                  7440  0 
rtc                    13748  0 
ext3                  120840  3 
jbd                    58644  1 ext3
mbcache                 9092  1 ext3
ips                    43460  4 
sd_mod                 17408  5 
scsi_mod              127496  2 ips,sd_mod
ide_disk               16256  0 
ide_generic             2176  0 [permanent]
generic                 5380  0 [permanent]
piix                   10500  0 [permanent]
ide_core              117456  4 ide_disk,ide_generic,generic,piix