drive_mirror: setup iscsi target on localhost

Signed-off-by: NXu Han <xuhan@redhat.com>

qemu/tests/cfg/drive_mirror.cfg

@@ -49,7 +49,6 @@
             export_options = "rw,no_root_squash,async"
             setup_local_nfs = yes
             boot_target_image = yes
-            start_firewall_cmd = "iptables -A INPUT -p tcp -d 127.0.0.1 --dport 2049 -j DROP"
         - on_iscsi:
             image_format_target = raw
             # target_image will ingore, target_image will generate automatically
@@ -58,10 +57,10 @@
             host_setup_flag_target = 2
             boot_target_image = yes
             # Please replace below iscsi connection params before start your testing
-            portal_ip_target = "192.168.1.2"
+            emulated_image_target = images/iscsi-storage.raw
+            portal_ip_target = "127.0.0.1"
             initiator_target = "iqn.2010-07.test.org:kvmautotest"
             target_target = "iqn.2001-05.com.equallogic:0-8a0906-db31f7d03-470263b05654c204-kvm-test"
-            start_firewall_cmd = "iptables -A INPUT -p tcp -d ${portal_ip_target} --dport 3260 -j DROP"
             # End
     variants:
         - simple_test: