diff --git a/files/image_config/interfaces/interfaces.j2 b/files/image_config/interfaces/interfaces.j2
index 18e1181c71c..f0cc668ec02 100644
--- a/files/image_config/interfaces/interfaces.j2
+++ b/files/image_config/interfaces/interfaces.j2
@@ -25,8 +25,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 {% endblock loopback %}
 {% block mgmt_interface %}
 
diff --git a/src/sonic-config-engine/tests/sample_output/py2/interfaces b/src/sonic-config-engine/tests/sample_output/py2/interfaces
index a47c89258e3..193eefce90c 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/interfaces
+++ b/src/sonic-config-engine/tests/sample_output/py2/interfaces
@@ -9,8 +9,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt
index c447cfbc6d3..0a4613de5e7 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt
+++ b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt
@@ -9,8 +9,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp
index b41038fd8d6..9023d90dc20 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp
+++ b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp
@@ -9,8 +9,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband
index 543819734f0..2004778f721 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband
+++ b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband
@@ -9,8 +9,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband_ip b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband_ip
index 57bf924ce71..bc022b7ec20 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband_ip
+++ b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_inband_ip
@@ -9,8 +9,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_ip b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_ip
index 31a6d332577..7359d400ca7 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_ip
+++ b/src/sonic-config-engine/tests/sample_output/py2/interfaces_nomgmt_ztp_ip
@@ -9,8 +9,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces b/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces
index 5777bce1837..dcdc99afe2c 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces
+++ b/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces
@@ -18,8 +18,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces_nomgmt b/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces_nomgmt
index 04490892fe3..9021b90e108 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces_nomgmt
+++ b/src/sonic-config-engine/tests/sample_output/py2/mvrf_interfaces_nomgmt
@@ -18,8 +18,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py2/two_mgmt_interfaces b/src/sonic-config-engine/tests/sample_output/py2/two_mgmt_interfaces
index ce3961f1a78..9c020c95ef2 100644
--- a/src/sonic-config-engine/tests/sample_output/py2/two_mgmt_interfaces
+++ b/src/sonic-config-engine/tests/sample_output/py2/two_mgmt_interfaces
@@ -9,8 +9,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth1
diff --git a/src/sonic-config-engine/tests/sample_output/py3/interfaces b/src/sonic-config-engine/tests/sample_output/py3/interfaces
index a47c89258e3..193eefce90c 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/interfaces
+++ b/src/sonic-config-engine/tests/sample_output/py3/interfaces
@@ -9,8 +9,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt
index c447cfbc6d3..0a4613de5e7 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt
+++ b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt
@@ -9,8 +9,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp
index b41038fd8d6..9023d90dc20 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp
+++ b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp
@@ -9,8 +9,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband
index 543819734f0..2004778f721 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband
+++ b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband
@@ -9,8 +9,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband_ip b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband_ip
index 57bf924ce71..bc022b7ec20 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband_ip
+++ b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_inband_ip
@@ -9,8 +9,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_ip b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_ip
index 31a6d332577..7359d400ca7 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_ip
+++ b/src/sonic-config-engine/tests/sample_output/py3/interfaces_nomgmt_ztp_ip
@@ -9,8 +9,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces b/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces
index 5777bce1837..dcdc99afe2c 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces
+++ b/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces
@@ -18,8 +18,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces_nomgmt b/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces_nomgmt
index 04490892fe3..9021b90e108 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces_nomgmt
+++ b/src/sonic-config-engine/tests/sample_output/py3/mvrf_interfaces_nomgmt
@@ -18,8 +18,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0
diff --git a/src/sonic-config-engine/tests/sample_output/py3/two_mgmt_interfaces b/src/sonic-config-engine/tests/sample_output/py3/two_mgmt_interfaces
index 5e2680854ce..3b900bad2b2 100644
--- a/src/sonic-config-engine/tests/sample_output/py3/two_mgmt_interfaces
+++ b/src/sonic-config-engine/tests/sample_output/py3/two_mgmt_interfaces
@@ -9,8 +9,6 @@ iface lo inet loopback
    address 127.0.0.1
    netmask 255.255.0.0
    scope host
-   post-up ip addr del 127.0.0.1/8 dev lo
-   down ip addr add 127.0.0.1/8 dev lo
 
 # The management network interface
 auto eth0