apt-get install awmn-router 
Reading Package Lists... Done 
Building Dependency Tree... Done 
You might want to run `apt-get -f install' to correct these: 
The following packages have unmet dependencies: 
awmn-router: Depends: kernel-image-2.4.28-awmn but it is not going to be installed 
Depends: ipp2p-modules-2.4.28-awmn but it is not going to be installed 
trafshape-awmn: Depends: libiptables-ipp2p but it is not going to be installed 
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). 

libiptables-ipp2p 
0 upgraded, 1 newly installed, 0 to remove and 8 not upgraded. 
1 not fully installed or removed. 
Need to get 0B/7870B of archives. 
After unpacking 69.6kB of additional disk space will be used. 
Do you want to continue? [Y/n] y 
(Reading database ... 30592 files and directories currently installed.) 
Unpacking libiptables-ipp2p (from .../libiptables-ipp2p_0.7.3-1_i386.deb) ... 
dpkg: error processing /var/cache/apt/archives/libiptables-ipp2p_0.7.3-1_i386.deb (--unpack): 
trying to overwrite `/lib/iptables/libipt_ipp2p.so', which is also in package ipp2p-netfilter-1.2.11 
Errors were encountered while processing: 
/var/cache/apt/archives/libiptables-ipp2p_0.7.3-1_i386.deb 
E: Sub-process /usr/bin/dpkg returned an error code (1)