fix graph (again)

README.md

@@ -57,19 +57,19 @@ Topology:
 +--------------------+ +-----------------------+     +--------------------+
 | uplink:            | | main:                 |     | blue_c1:           |
 |   lo               | |  lo                   |     |   lo               |
-|                    | |  up (vrf)             |  +--=-> cuplink (veth) |
+|                    | |  up (vrf)             |  +--=-> cuplink (veth)   |
 |   client1 (veth) <-=-=--> muplink (veth)     |  |  +--------------------+
 +--------------------+ |  blue (vrf)           |  |
                        |    br-blue (bridge)   |  |  +--------------------+
                        |      blue_c1 (veth) <-=--+  | blue_c2:           |
                        |      blue_c2 (veth) <-=--+  |   lo               |
-                       |  red (vrf)            |  +--=-> cuplink (veth) |
+                       |  red (vrf)            |  +--=-> cuplink (veth)   |
                        |    br-red (bridge)    |     +--------------------+
                        |      red_c1 (veth) <--=--+
                        +-----------------------+  |  +--------------------+
                                                   |  | red_c1:            |
                                                   |  |   lo               |
-                                                  +--=-> cuplink (veth) |
+                                                  +--=-> cuplink (veth)   |
                                                      +--------------------+
 ```