diff --git a/config/tests/guest/libvirt/migrate.cfg b/config/tests/guest/libvirt/migrate.cfg
index 127d8e7..8d2f080 100644
--- a/config/tests/guest/libvirt/migrate.cfg
+++ b/config/tests/guest/libvirt/migrate.cfg
@@ -6,7 +6,7 @@ username = root
 password = 123456
 main_vm = avocado-vt-vm1
 vms = avocado-vt-vm1
-migrate_main_vm = "${main_vm}"
+migrate_main_vm = <_migrate_main_vm_>
 
 # Network
 nettype = bridge
@@ -56,19 +56,19 @@ nfs_mount_src=/home/migrate/NFS
 export_dir=/home/migrate/NFS
 
 # libvirt (host information for remote testcases)
-local_ip = "10.1.1.3"
-local_pwd = "password"
-remote_ip = "10.1.1.2"
-remote_user = root
+local_ip = <_local_ip_>
+local_pwd = <_local_pwd_>
+remote_ip = <_remote_ip_>
+remote_user = <_remote_user_>
 
 # Default password is same as local_pwd
-remote_pwd = "password"
+remote_pwd = <_remote_pwd_>
 
 # Migration source and destination machine details
-migrate_source_host = "${local_ip}"
-migrate_source_pwd = "${local_pwd}"
-migrate_dest_host = "${remote_ip}"
-migrate_dest_pwd = "${remote_pwd}"
+migrate_source_host = <_migrate_source_host_>
+migrate_source_pwd = <_migrate_source_pwd_>
+migrate_dest_host = <_migrate_dest_host_>
+migrate_dest_pwd = <_migrate_dest_pwd_>
 
 # This param required for testcases with hugepages
 hugepage_force_allocate = "yes"
diff --git a/config/tests/guest/libvirt/migrate_p1.cfg b/config/tests/guest/libvirt/migrate_p1.cfg
index 9652229..4023964 100644
--- a/config/tests/guest/libvirt/migrate_p1.cfg
+++ b/config/tests/guest/libvirt/migrate_p1.cfg
@@ -6,7 +6,7 @@ username = root
 password = 123456
 main_vm = avocado-vt-vm1
 vms = avocado-vt-vm1
-migrate_main_vm = "${main_vm}"
+migrate_main_vm = <_migrate_main_vm_>
 
 # Network
 nettype = bridge
@@ -56,19 +56,19 @@ nfs_mount_src=/home/migrate/NFS
 export_dir=/home/migrate/NFS
 
 # libvirt (host information for remote testcases)
-local_ip = "10.48.36.118"
-local_pwd = "Aform@fvt"
-remote_ip = "10.48.36.121"
-remote_user = root
+local_ip = <_local_ip_>
+local_pwd = <_local_pwd_>
+remote_ip = <_remote_ip_>
+remote_user = <_remote_user_>
 
 # Default password is same as local_pwd
-remote_pwd = "Aform@fvt"
+remote_pwd = <_remote_pwd_>
 
 # Migration source and destination machine details
-migrate_source_host = "${local_ip}"
-migrate_source_pwd = "${local_pwd}"
-migrate_dest_host = "${remote_ip}"
-migrate_dest_pwd = "${remote_pwd}"
+migrate_source_host = <_migrate_source_host_>
+migrate_source_pwd = <_migrate_source_pwd_>
+migrate_dest_host = <_migrate_dest_host_>
+migrate_dest_pwd = <_migrate_dest_pwd_>
 
 # This param required for testcases with hugepages
 hugepage_force_allocate = "yes"
diff --git a/config/tests/guest/libvirt/migrate_p2.cfg b/config/tests/guest/libvirt/migrate_p2.cfg
index 6914183..554367f 100644
--- a/config/tests/guest/libvirt/migrate_p2.cfg
+++ b/config/tests/guest/libvirt/migrate_p2.cfg
@@ -6,7 +6,7 @@ username = root
 password = 123456
 main_vm = avocado-vt-vm1
 vms = avocado-vt-vm1
-migrate_main_vm = "${main_vm}"
+migrate_main_vm = <_migrate_main_vm_>
 
 # Network
 nettype = bridge
@@ -56,19 +56,19 @@ nfs_mount_src=/home/migrate/NFS
 export_dir=/home/migrate/NFS
 
 # libvirt (host information for remote testcases)
-local_ip = "10.48.36.118"
-local_pwd = "Aform@fvt"
-remote_ip = "10.48.36.121"
-remote_user = root
+local_ip = <_local_ip_>
+local_pwd = <_local_pwd_>
+remote_ip = <_remote_ip_>
+remote_user = <_remote_user_>
 
 # Default password is same as local_pwd
-remote_pwd = "Aform@fvt"
+remote_pwd = <_remote_pwd_>
 
 # Migration source and destination machine details
-migrate_source_host = "${local_ip}"
-migrate_source_pwd = "${local_pwd}"
-migrate_dest_host = "${remote_ip}"
-migrate_dest_pwd = "${remote_pwd}"
+migrate_source_host = <_migrate_source_host_>
+migrate_source_pwd = <_migrate_source_pwd_>
+migrate_dest_host = <_migrate_dest_host_>
+migrate_dest_pwd = <_migrate_dest_pwd_>
 
 # This param required for testcases with hugepages
 hugepage_force_allocate = "yes"
diff --git a/config/tests/guest/libvirt/migrate_p3.cfg b/config/tests/guest/libvirt/migrate_p3.cfg
index 1ebde87..167d75a 100644
--- a/config/tests/guest/libvirt/migrate_p3.cfg
+++ b/config/tests/guest/libvirt/migrate_p3.cfg
@@ -6,7 +6,7 @@ username = root
 password = 123456
 main_vm = avocado-vt-vm1
 vms = avocado-vt-vm1
-migrate_main_vm = "${main_vm}"
+migrate_main_vm = <_migrate_main_vm_>
 
 # Network
 nettype = bridge
@@ -56,19 +56,19 @@ nfs_mount_src=/home/migrate/NFS
 export_dir=/home/migrate/NFS
 
 # libvirt (host information for remote testcases)
-local_ip = "10.48.36.118"
-local_pwd = "Aform@fvt"
-remote_ip = "10.48.36.121"
-remote_user = root
+local_ip = <_local_ip_>
+local_pwd = <_local_pwd_>
+remote_ip = <_remote_ip_>
+remote_user = <_remote_user_>
 
 # Default password is same as local_pwd
-remote_pwd = "Aform@fvt"
+remote_pwd = <_remote_pwd_>
 
 # Migration source and destination machine details
-migrate_source_host = "${local_ip}"
-migrate_source_pwd = "${local_pwd}"
-migrate_dest_host = "${remote_ip}"
-migrate_dest_pwd = "${remote_pwd}"
+migrate_source_host = <_migrate_source_host_>
+migrate_source_pwd = <_migrate_source_pwd_>
+migrate_dest_host = <_migrate_dest_host_>
+migrate_dest_pwd = <_migrate_dest_pwd_>
 
 # This param required for testcases with hugepages
 hugepage_force_allocate = "yes"