> "bob_cluster_link_6_DOWN";
> "bob_cluster_link_6_UP";
> "bobbob_cluster_router.hamburger.edu";
-> "bob_cluster_link_0_DOWN" -- "bob_cluster_backbone";
+> "bob_cluster_link_0_DOWN" -- "bob0.hamburger.edu";
+> "bob_cluster_link_2_DOWN" -- "bob2.hamburger.edu";
+> "bob_cluster_link_3_DOWN" -- "bob3.hamburger.edu";
+> "bob_cluster_link_4_DOWN" -- "bob4.hamburger.edu";
+> "bob_cluster_link_6_DOWN" -- "bob6.hamburger.edu";
> "bob_cluster_link_0_UP" -- "bob_cluster_backbone";
-> "bob_cluster_link_2_DOWN" -- "bob_cluster_backbone";
> "bob_cluster_link_2_UP" -- "bob_cluster_backbone";
-> "bob_cluster_link_3_DOWN" -- "bob_cluster_backbone";
> "bob_cluster_link_3_UP" -- "bob_cluster_backbone";
-> "bob_cluster_link_4_DOWN" -- "bob_cluster_backbone";
> "bob_cluster_link_4_UP" -- "bob_cluster_backbone";
-> "bob_cluster_link_6_DOWN" -- "bob_cluster_backbone";
> "bob_cluster_link_6_UP" -- "bob_cluster_backbone";
-> "bob0.hamburger.edu" -- "bob_cluster_link_0_DOWN";
+> "bob_cluster_backbone" -- "bob_cluster_link_0_DOWN";
> "bob0.hamburger.edu" -- "bob_cluster_link_0_UP";
-> "bob2.hamburger.edu" -- "bob_cluster_link_2_DOWN";
+> "bob_cluster_backbone" -- "bob_cluster_link_2_DOWN";
> "bob2.hamburger.edu" -- "bob_cluster_link_2_UP";
-> "bob3.hamburger.edu" -- "bob_cluster_link_3_DOWN";
+> "bob_cluster_backbone" -- "bob_cluster_link_3_DOWN";
> "bob3.hamburger.edu" -- "bob_cluster_link_3_UP";
-> "bob4.hamburger.edu" -- "bob_cluster_link_4_DOWN";
+> "bob_cluster_backbone" -- "bob_cluster_link_4_DOWN";
> "bob4.hamburger.edu" -- "bob_cluster_link_4_UP";
-> "bob6.hamburger.edu" -- "bob_cluster_link_6_DOWN";
+> "bob_cluster_backbone" -- "bob_cluster_link_6_DOWN";
> "bob6.hamburger.edu" -- "bob_cluster_link_6_UP";
> "bob_cluster_backbone" -- "bob_cluster";
> "bobbob_cluster_router.hamburger.edu" -- "bob_cluster";
$ cat test.csv
> src,dst
-> bob_cluster_link_0_DOWN,bob_cluster_backbone
+> bob_cluster_link_0_DOWN,bob0.hamburger.edu
+> bob_cluster_link_2_DOWN,bob2.hamburger.edu
+> bob_cluster_link_3_DOWN,bob3.hamburger.edu
+> bob_cluster_link_4_DOWN,bob4.hamburger.edu
+> bob_cluster_link_6_DOWN,bob6.hamburger.edu
> bob_cluster_link_0_UP,bob_cluster_backbone
-> bob_cluster_link_2_DOWN,bob_cluster_backbone
> bob_cluster_link_2_UP,bob_cluster_backbone
-> bob_cluster_link_3_DOWN,bob_cluster_backbone
> bob_cluster_link_3_UP,bob_cluster_backbone
-> bob_cluster_link_4_DOWN,bob_cluster_backbone
> bob_cluster_link_4_UP,bob_cluster_backbone
-> bob_cluster_link_6_DOWN,bob_cluster_backbone
> bob_cluster_link_6_UP,bob_cluster_backbone
-> bob0.hamburger.edu,bob_cluster_link_0_DOWN
+> bob_cluster_backbone,bob_cluster_link_0_DOWN
> bob0.hamburger.edu,bob_cluster_link_0_UP
-> bob2.hamburger.edu,bob_cluster_link_2_DOWN
+> bob_cluster_backbone,bob_cluster_link_2_DOWN
> bob2.hamburger.edu,bob_cluster_link_2_UP
-> bob3.hamburger.edu,bob_cluster_link_3_DOWN
+> bob_cluster_backbone,bob_cluster_link_3_DOWN
> bob3.hamburger.edu,bob_cluster_link_3_UP
-> bob4.hamburger.edu,bob_cluster_link_4_DOWN
+> bob_cluster_backbone,bob_cluster_link_4_DOWN
> bob4.hamburger.edu,bob_cluster_link_4_UP
-> bob6.hamburger.edu,bob_cluster_link_6_DOWN
+> bob_cluster_backbone,bob_cluster_link_6_DOWN
> bob6.hamburger.edu,bob_cluster_link_6_UP
> bob_cluster_backbone,bob_cluster
> bobbob_cluster_router.hamburger.edu,bob_cluster