diff --git a/lib/neutron_plugins/bigswitch_floodlight b/lib/neutron_plugins/bigswitch_floodlight
index b1b77d7606..efdd9ef794 100644
--- a/lib/neutron_plugins/bigswitch_floodlight
+++ b/lib/neutron_plugins/bigswitch_floodlight
@@ -2,7 +2,7 @@
 # ------------------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+BS_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 source $TOP_DIR/lib/neutron_plugins/ovs_base
@@ -74,4 +74,4 @@ function neutron_plugin_check_adv_test_requirements {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$BS_XTRACE
diff --git a/lib/neutron_plugins/cisco b/lib/neutron_plugins/cisco
index a1b089e1a3..7f7c049931 100644
--- a/lib/neutron_plugins/cisco
+++ b/lib/neutron_plugins/cisco
@@ -2,7 +2,7 @@
 # ---------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+CISCO_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 # Scecify the VSM parameters
@@ -324,4 +324,4 @@ function neutron_plugin_setup_interface_driver {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$CISCO_XTRACE
diff --git a/lib/neutron_plugins/embrane b/lib/neutron_plugins/embrane
index 62f9737e51..cce108a4a1 100644
--- a/lib/neutron_plugins/embrane
+++ b/lib/neutron_plugins/embrane
@@ -2,7 +2,7 @@
 # ---------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+EMBR_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 source $TOP_DIR/lib/neutron_plugins/openvswitch
@@ -37,4 +37,4 @@ function neutron_plugin_configure_service {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$EMBR_XTRACE
diff --git a/lib/neutron_plugins/ibm b/lib/neutron_plugins/ibm
index 22c8578e64..3aef9d0359 100644
--- a/lib/neutron_plugins/ibm
+++ b/lib/neutron_plugins/ibm
@@ -2,7 +2,7 @@
 # ---------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+IBM_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 source $TOP_DIR/lib/neutron_plugins/ovs_base
@@ -130,4 +130,4 @@ function neutron_ovs_base_cleanup {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$IBM_XTRACE
diff --git a/lib/neutron_plugins/linuxbridge b/lib/neutron_plugins/linuxbridge
index 362fd5b39e..96b14f190b 100644
--- a/lib/neutron_plugins/linuxbridge
+++ b/lib/neutron_plugins/linuxbridge
@@ -2,7 +2,7 @@
 # ---------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+LBRIDGE_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 source $TOP_DIR/lib/neutron_plugins/linuxbridge_agent
@@ -53,4 +53,4 @@ function has_neutron_plugin_security_group {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$LBRIDGE_XTRACE
diff --git a/lib/neutron_plugins/midonet b/lib/neutron_plugins/midonet
index 742e3b2f0f..c5373d656f 100644
--- a/lib/neutron_plugins/midonet
+++ b/lib/neutron_plugins/midonet
@@ -6,7 +6,7 @@ MIDONET_API_PORT=${MIDONET_API_PORT:-8080}
 MIDONET_API_URL=${MIDONET_API_URL:-http://localhost:$MIDONET_API_PORT/midonet-api}
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+MN_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 function is_neutron_ovs_base_plugin {
@@ -84,4 +84,4 @@ function neutron_plugin_check_adv_test_requirements {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$MN_XTRACE
diff --git a/lib/neutron_plugins/ml2 b/lib/neutron_plugins/ml2
index e985dcb4a5..db43fcf291 100644
--- a/lib/neutron_plugins/ml2
+++ b/lib/neutron_plugins/ml2
@@ -2,7 +2,7 @@
 # ------------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+ML2_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 # Enable this to simply and quickly enable tunneling with ML2.
@@ -119,4 +119,4 @@ function has_neutron_plugin_security_group {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$ML2_XTRACE
diff --git a/lib/neutron_plugins/nec b/lib/neutron_plugins/nec
index 6d4bfca244..d76f7d4aaf 100644
--- a/lib/neutron_plugins/nec
+++ b/lib/neutron_plugins/nec
@@ -2,7 +2,7 @@
 # ---------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+NEC_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 # Configuration parameters
@@ -127,4 +127,4 @@ function neutron_plugin_check_adv_test_requirements {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$NEC_XTRACE
diff --git a/lib/neutron_plugins/nuage b/lib/neutron_plugins/nuage
index 3649f39bfd..86f09d2b54 100644
--- a/lib/neutron_plugins/nuage
+++ b/lib/neutron_plugins/nuage
@@ -2,7 +2,7 @@
 # ----------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+NU_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 function neutron_plugin_create_nova_conf {
@@ -66,4 +66,4 @@ function has_neutron_plugin_security_group {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$NU_XTRACE
diff --git a/lib/neutron_plugins/ofagent_agent b/lib/neutron_plugins/ofagent_agent
index 724df41d4c..6610ea3fb6 100644
--- a/lib/neutron_plugins/ofagent_agent
+++ b/lib/neutron_plugins/ofagent_agent
@@ -2,7 +2,7 @@
 # ----------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+OFA_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 source $TOP_DIR/lib/neutron_plugins/ovs_base
@@ -91,4 +91,4 @@ function neutron_plugin_check_adv_test_requirements {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$OFA_XTRACE
diff --git a/lib/neutron_plugins/oneconvergence b/lib/neutron_plugins/oneconvergence
index 0aebff629c..06f1eee8c7 100644
--- a/lib/neutron_plugins/oneconvergence
+++ b/lib/neutron_plugins/oneconvergence
@@ -1,7 +1,7 @@
 # Neutron One Convergence plugin
 # ---------------------------
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+OC_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 source $TOP_DIR/lib/neutron_plugins/ovs_base
@@ -73,4 +73,4 @@ function neutron_plugin_create_nova_conf {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$OC_XTRACE
diff --git a/lib/neutron_plugins/openvswitch b/lib/neutron_plugins/openvswitch
index bdbc5a9367..c644fed1e3 100644
--- a/lib/neutron_plugins/openvswitch
+++ b/lib/neutron_plugins/openvswitch
@@ -2,7 +2,7 @@
 # ---------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+OVS_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 source $TOP_DIR/lib/neutron_plugins/openvswitch_agent
@@ -57,4 +57,4 @@ function has_neutron_plugin_security_group {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$OVS_XTRACE
diff --git a/lib/neutron_plugins/openvswitch_agent b/lib/neutron_plugins/openvswitch_agent
index 3a2bdc316a..33ca17a841 100644
--- a/lib/neutron_plugins/openvswitch_agent
+++ b/lib/neutron_plugins/openvswitch_agent
@@ -2,7 +2,7 @@
 # -----------------------------
 
 # Save trace setting
-PLUGIN_XTRACE=$(set +o | grep xtrace)
+OVSA_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 source $TOP_DIR/lib/neutron_plugins/ovs_base
@@ -128,4 +128,4 @@ function neutron_plugin_check_adv_test_requirements {
 }
 
 # Restore xtrace
-$PLUGIN_XTRACE
+$OVSA_XTRACE
diff --git a/lib/neutron_plugins/ovs_base b/lib/neutron_plugins/ovs_base
index 0a2ba58fbb..ae7f815aba 100644
--- a/lib/neutron_plugins/ovs_base
+++ b/lib/neutron_plugins/ovs_base
@@ -2,7 +2,7 @@
 # -------------------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+OVSB_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 OVS_BRIDGE=${OVS_BRIDGE:-br-int}
@@ -77,4 +77,4 @@ function _neutron_ovs_base_configure_nova_vif_driver {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$OVSB_XTRACE
diff --git a/lib/neutron_plugins/plumgrid b/lib/neutron_plugins/plumgrid
index 19f94cb78c..67080f459f 100644
--- a/lib/neutron_plugins/plumgrid
+++ b/lib/neutron_plugins/plumgrid
@@ -3,7 +3,7 @@
 # ------------------------------------
 
 # Save trace settings
-MY_XTRACE=$(set +o | grep xtrace)
+PG_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 function neutron_plugin_create_nova_conf {
@@ -52,4 +52,4 @@ function neutron_plugin_check_adv_test_requirements {
     is_service_enabled q-agt && is_service_enabled q-dhcp && return 0
 }
 # Restore xtrace
-$MY_XTRACE
+$PG_XTRACE
diff --git a/lib/neutron_plugins/ryu b/lib/neutron_plugins/ryu
index 9ae36d38fa..ceb89faf6e 100644
--- a/lib/neutron_plugins/ryu
+++ b/lib/neutron_plugins/ryu
@@ -2,7 +2,7 @@
 # ------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+RYU_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 source $TOP_DIR/lib/neutron_plugins/ovs_base
@@ -77,4 +77,4 @@ function neutron_plugin_check_adv_test_requirements {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$RYU_XTRACE
diff --git a/lib/neutron_plugins/services/firewall b/lib/neutron_plugins/services/firewall
index ab6c32426a..b5253dbeef 100644
--- a/lib/neutron_plugins/services/firewall
+++ b/lib/neutron_plugins/services/firewall
@@ -2,7 +2,7 @@
 # ---------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+FW_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 FWAAS_PLUGIN=neutron.services.firewall.fwaas_plugin.FirewallPlugin
@@ -24,4 +24,4 @@ function neutron_fwaas_stop {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$FW_XTRACE
diff --git a/lib/neutron_plugins/services/loadbalancer b/lib/neutron_plugins/services/loadbalancer
index 531f52f9f5..78e7738345 100644
--- a/lib/neutron_plugins/services/loadbalancer
+++ b/lib/neutron_plugins/services/loadbalancer
@@ -2,7 +2,7 @@
 # ---------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+LB_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 
@@ -48,4 +48,4 @@ function neutron_lbaas_stop {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$LB_XTRACE
diff --git a/lib/neutron_plugins/services/metering b/lib/neutron_plugins/services/metering
index 0e5f75b27b..51123e2ff8 100644
--- a/lib/neutron_plugins/services/metering
+++ b/lib/neutron_plugins/services/metering
@@ -2,7 +2,7 @@
 # ---------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+METER_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 
@@ -27,4 +27,4 @@ function neutron_metering_stop {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$METER_XTRACE
diff --git a/lib/neutron_plugins/services/vpn b/lib/neutron_plugins/services/vpn
index e56d3613c2..d920ba621f 100644
--- a/lib/neutron_plugins/services/vpn
+++ b/lib/neutron_plugins/services/vpn
@@ -2,7 +2,7 @@
 # ---------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+VPN_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 
@@ -30,4 +30,4 @@ function neutron_vpn_stop {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$VPN_XTRACE
diff --git a/lib/neutron_plugins/vmware_nsx b/lib/neutron_plugins/vmware_nsx
index fe793549f7..f2f87355ef 100644
--- a/lib/neutron_plugins/vmware_nsx
+++ b/lib/neutron_plugins/vmware_nsx
@@ -2,7 +2,7 @@
 # -------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+NSX_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 source $TOP_DIR/lib/neutron_plugins/ovs_base
@@ -146,4 +146,4 @@ function neutron_plugin_check_adv_test_requirements {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$NSX_XTRACE
diff --git a/lib/neutron_thirdparty/bigswitch_floodlight b/lib/neutron_thirdparty/bigswitch_floodlight
index f03de56295..033731e27c 100644
--- a/lib/neutron_thirdparty/bigswitch_floodlight
+++ b/lib/neutron_thirdparty/bigswitch_floodlight
@@ -2,7 +2,7 @@
 # ------------------------------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+BS3_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 BS_FL_CONTROLLERS_PORT=${BS_FL_CONTROLLERS_PORT:-localhost:80}
@@ -49,4 +49,4 @@ function check_bigswitch_floodlight {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$BS3_XTRACE
diff --git a/lib/neutron_thirdparty/midonet b/lib/neutron_thirdparty/midonet
index ad417bbc29..099a66eb2d 100644
--- a/lib/neutron_thirdparty/midonet
+++ b/lib/neutron_thirdparty/midonet
@@ -17,7 +17,7 @@ MIDONET_CLIENT_BRANCH=${MIDONET_CLIENT_BRANCH:-master}
 MIDONET_CLIENT_DIR=${MIDONET_CLIENT_DIR:-$MIDONET_DIR/python-midonetclient}
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+MN3_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 function configure_midonet {
@@ -46,4 +46,4 @@ function check_midonet {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$MN3_XTRACE
diff --git a/lib/neutron_thirdparty/ryu b/lib/neutron_thirdparty/ryu
index b2c1b613fe..bbe227eeb9 100644
--- a/lib/neutron_thirdparty/ryu
+++ b/lib/neutron_thirdparty/ryu
@@ -2,7 +2,7 @@
 # -----------------------
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+RYU3_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 
@@ -75,4 +75,4 @@ function check_ryu {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$RYU3_XTRACE
diff --git a/lib/neutron_thirdparty/trema b/lib/neutron_thirdparty/trema
index d465ac753e..f829aa82ff 100644
--- a/lib/neutron_thirdparty/trema
+++ b/lib/neutron_thirdparty/trema
@@ -13,7 +13,7 @@ TREMA_APPS_REPO=${TREMA_APPS_REPO:-https://github.com/trema/apps.git}
 TREMA_APPS_BRANCH=${TREMA_APPS_BRANCH:-master}
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+TREMA3_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 TREMA_DIR=${TREMA_DIR:-$DEST/trema}
@@ -114,4 +114,4 @@ function check_trema {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$TREMA3_XTRACE
diff --git a/lib/neutron_thirdparty/vmware_nsx b/lib/neutron_thirdparty/vmware_nsx
index 3fecc62560..7a76570775 100644
--- a/lib/neutron_thirdparty/vmware_nsx
+++ b/lib/neutron_thirdparty/vmware_nsx
@@ -11,7 +11,7 @@
 # * NSX_GATEWAY_NETWORK_CIDR         --> CIDR to configure br-ex, e.g. 172.24.4.211/24
 
 # Save trace setting
-MY_XTRACE=$(set +o | grep xtrace)
+NSX3_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 # This is the interface that connects the Devstack instance
@@ -83,4 +83,4 @@ function check_vmware_nsx {
 }
 
 # Restore xtrace
-$MY_XTRACE
+$NSX3_XTRACE