Current setup:
{{{
#!graphviz

digraph G {
INTERNET [shape=box];
SLUNET [ shape=box ];
GRIDNET [ shape=box, label="GRIDNET\n10.15.0.0/24" ];
GRIDOVPNNET [ shape=box, label="GRIDOPENVPNNET\n10.17.0.0/24" ];

INTERNET -> SLUNET [dir=both];

SLUNET -> "my-mgrid" [ dir=both, label = "- eth0(77.235.229.110)" ];
GRIDNET -> "my-mgrid" [ dir=both, label = "- eth1(10.15.0.1)" ];
mykonas4 -> SLUNET [ dir=both, label="eth0(77.235.229.108) - " ];
mykonas4 -> GRIDNET [dir=both, label="bond0(10.15.0.254)" ];
"my-gridstore1" -> GRIDNET [dir=both, label="eth0(10.15.0.253)"];

"my-mgrid1" -> GRIDNET
"my-mgrid2" -> GRIDNET
"my-mgrid3" -> GRIDNET
"my-mgrid4" -> GRIDNET
"my-mgrid5" -> GRIDNET


}
}}}

New setup once the new network card is installed:


{{{
#!graphviz

digraph G {
INTERNET [shape=box];
SLUNET [ shape=box ];
GRIDNET [ shape=box, label="GRIDNET\n10.15.0.0/24" ];
GRIDOVPNNET [ shape=box, label="GRIDOPENVPNNET\n10.17.0.0/24" ];

INTERNET -> SLUNET [dir=both];

SLUNET -> "my-mgrid" [ dir=both, label = "- eth0(77.235.229.110)" ];
GRIDNET -> "my-mgrid" [ dir=both, label = "- eth1(10.15.0.1)" ];
mykonas4 -> SLUNET [ dir=both, label="eth0(77.235.229.108) - " ];
mykonas4 -> "my-gridstore1" [dir=both, label="bond0 - bond0" ];
"my-gridstore1" -> GRIDNET [dir=both, label="bond0(10.15.0.253)"];

"my-mgrid1" -> GRIDNET
"my-mgrid2" -> GRIDNET
"my-mgrid3" -> GRIDNET
"my-mgrid4" -> GRIDNET
"my-mgrid5" -> GRIDNET


}
}}}