ip route add default via gw1 table freeo
ip route add default via gw2 table freee
ip rule add from 192.168.0.7 table freeo
ip rule add from 192.168.0.8 table freee
ip rule add from 192.168.0.161 table freeo
ip rule add from 192.168.0.162 table freee

ip route flush cache

Chain PREROUTING (policy ACCEPT 51439 packets, 3292K bytes)
 pkts bytes target     prot opt in     out     source               destination         
   66  3472 DNAT       tcp  --  freee  any     anywhere             anywhere            tcp dpt:http to:192.168.0.8:80 
    0     0 DNAT       tcp  --  freee  any     anywhere             anywhere            tcp dpt:domain to:192.168.0.8:53 
   21  1218 DNAT       udp  --  freee  any     anywhere             anywhere            udp dpt:domain to:192.168.0.8:53 
   54  3180 DNAT       tcp  --  freeo  any     anywhere             anywhere            tcp dpt:http to:192.168.0.7:80 
    0     0 DNAT       tcp  --  freeo  any     anywhere             anywhere            tcp dpt:domain to:192.168.0.7:53 
 8696  570K DNAT       udp  --  freeo  any     anywhere             anywhere            udp dpt:domain to:192.168.0.7:53 
    3   180 DNAT       tcp  --  freeo  any     anywhere             anywhere            tcp dpt:xfer to:192.168.0.7:82 
    3   180 DNAT       tcp  --  freee  any     anywhere             anywhere            tcp dpt:xfer to:192.168.0.8:82 
   42  2520 DNAT       tcp  --  freeo  any     anywhere             anywhere            tcp dpt:hosts2-ns to:192.168.0.161:80 
   13   780 DNAT       tcp  --  freee  any     anywhere             anywhere            tcp dpt:hosts2-ns to:192.168.0.162:80 

Chain POSTROUTING (policy ACCEPT 6929 packets, 453K bytes)
 pkts bytes target     prot opt in     out     source               destination         
14823  980K MASQUERADE  all  --  any    freee   anywhere             anywhere            
22122 1284K MASQUERADE  all  --  any    freeo   anywhere             anywhere