pg: update packet generator test scripts

update packet generator test scripts to reflect latest code changes

Type: fix

Signed-off-by: ShivaShankarK <shivaashankar1204@gmail.com>
Change-Id: I048a5e8b9b0506dcb0b664e5549d13f51b2e2ea6
diff --git a/src/scripts/vnet/nat44_static b/src/scripts/vnet/nat44_static
index 26e3408..3c76187 100644
--- a/src/scripts/vnet/nat44_static
+++ b/src/scripts/vnet/nat44_static
@@ -36,7 +36,7 @@
 set int ip address pg1 172.16.1.1/24
 set int state pg0 up
 set int state pg1 up
-set ip arp static pg0 10.0.0.3 abcd.abcd.abcd
-set ip arp static pg1 172.16.1.2 cdef.abcd.abcd
+set ip neighbor static pg0 10.0.0.3 abcd.abcd.abcd
+set ip neighbor static pg1 172.16.1.2 cdef.abcd.abcd
 set int nat44 in pg0 out pg1
 trace add pg-input 10