Module                  Size  Used by
vzethdev                6349  0 
vznetdev               12414  6 
simfs                   2561  3 
vzrst                 111550  0 
vzcpt                  96205  0 
vzdquota               32047  3 [permanent]
vzmon                  14649  7 vzethdev,vznetdev,vzrst,vzcpt
vzdev                   1703  4 vzethdev,vznetdev,vzdquota,vzmon
ipt_REDIRECT            1366  0 
nf_nat_irc              1316  0 
nf_nat_ftp              2452  0 
iptable_nat             4703  0 
nf_nat                 15980  4 ipt_REDIRECT,nf_nat_irc,nf_nat_ftp,iptable_nat
xt_helper                995  0 
nf_conntrack_irc        3949  1 nf_nat_irc
nf_conntrack_ftp        9435  1 nf_nat_ftp
xt_length                904  0 
ipt_LOG                 4359  0 
xt_hl                   1037  0 
xt_tcpmss               1101  0 
xt_TCPMSS               2499  0 
xt_DSCP                 1991  0 
xt_dscp                 1403  0 
xt_multiport            1930  0 
xt_limit                1250  0 
iptable_mangle          2643  0 
ipv6                  225012  46 vzrst,vzcpt
cpufreq_powersave        786  0 
fuse                   48927  16 
snd_intel8x0           22599  0 
snd_ac97_codec         88758  1 snd_intel8x0
ac97_bus                 902  1 snd_ac97_codec
snd_pcm_oss            29209  0 
snd_mixer_oss          11046  1 snd_pcm_oss
snd_pcm                54938  3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss
radeon                421483  2 
ttm                    29769  1 radeon
snd_seq_dummy           1266  0 
drm_kms_helper         20877  1 radeon
nsc_ircc               11360  0 
ipw2100                56456  0 
parport_pc             15311  0 
drm                   128411  4 radeon,ttm,drm_kms_helper
snd_seq_oss            22376  0 
video                  16352  0 
parport                17993  1 parport_pc
libipw                 20664  1 ipw2100
i2c_algo_bit            4073  1 radeon
snd_seq_midi_event      4958  1 snd_seq_oss
thinkpad_acpi          51631  0 
i2c_core               21748  3 radeon,drm,i2c_algo_bit
snd_seq                39378  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_timer              14658  2 snd_pcm,snd_seq
snd_seq_device          4679  3 snd_seq_dummy,snd_seq_oss,snd_seq
snd                    41965  9 snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_seq,snd_timer,snd_seq_device
output                  1605  1 video
soundcore               4835  1 snd
snd_page_alloc          5973  2 snd_intel8x0,snd_pcm
yenta_socket           19341  1 
irda                   90822  1 nsc_ircc
rfkill                 13017  2 thinkpad_acpi
rsrc_nonstatic          7902  1 yenta_socket
crc_ccitt               1225  1 irda
lib80211                4062  1 libipw
reiserfs              189622  1 
usb_storage            34260  3 

falcon@sysadmin:~$ ls /lib/modules/`uname -r`/kernel/net/ -R | grep xt_
xt_CLASSIFY.ko
xt_cluster.ko
xt_comment.ko
xt_connbytes.ko
xt_connlimit.ko
xt_connmark.ko
xt_CONNMARK.ko
xt_dccp.ko
xt_dscp.ko
xt_DSCP.ko
xt_esp.ko
xt_hashlimit.ko
xt_helper.ko
xt_hl.ko
xt_HL.ko
xt_iprange.ko
xt_LED.ko
xt_length.ko
xt_limit.ko
xt_mac.ko
xt_mark.ko
xt_MARK.ko
xt_multiport.ko
xt_NFLOG.ko
xt_NFQUEUE.ko
xt_NOTRACK.ko
xt_osf.ko
xt_owner.ko
xt_physdev.ko
xt_pkttype.ko
xt_policy.ko
xt_quota.ko
xt_rateest.ko
xt_RATEEST.ko
xt_realm.ko
xt_recent.ko
xt_sctp.ko
xt_socket.ko
xt_statistic.ko
xt_string.ko
xt_tcpmss.ko
xt_TCPMSS.ko
xt_TCPOPTSTRIP.ko
xt_time.ko
xt_TPROXY.ko
xt_TRACE.ko
xt_u32.ko