bugtool: Added map dump for L2 responder map to bugtool

Currently sysdumps do not contain the L2 responder map dumps.
This commit adds these so that we can debug issues with the
L2 announcements if they come up in the future.

Signed-off-by: Dylan Reimerink <dylan.reimerink@isovalent.com>

bugtool/cmd/configuration.go

@@ -190,6 +190,7 @@ func defaultCommands(confDir string, cmdDir string, k8sPods []string) []string {
 			fmt.Sprintf("bpftool map dump pinned %s/tc/globals/cilium_snat_v4_external", bpffsMountpoint),
 			fmt.Sprintf("bpftool map dump pinned %s/tc/globals/cilium_snat_v6_external", bpffsMountpoint),
 			fmt.Sprintf("bpftool map dump pinned %s/tc/globals/cilium_vtep_map", bpffsMountpoint),
+			fmt.Sprintf("bpftool map dump pinned %s/tc/globals/cilium_l2_responder_v4", bpffsMountpoint),
 		}...)
 	}