diff --git a/capsulflask/db.py b/capsulflask/db.py
index 57137b1..1b75fc0 100644
--- a/capsulflask/db.py
+++ b/capsulflask/db.py
@@ -43,7 +43,7 @@ def init_app(app, is_running_server):
   hasSchemaVersionTable = False
   actionWasTaken = False
   schemaVersion = 0
-  desiredSchemaVersion = 16
+  desiredSchemaVersion = 17
 
   cursor = connection.cursor()
 
diff --git a/capsulflask/schema_migrations/16_up_managed_ips.sql b/capsulflask/schema_migrations/16_up_managed_ips.sql
index f8eb80c..f2d1f27 100644
--- a/capsulflask/schema_migrations/16_up_managed_ips.sql
+++ b/capsulflask/schema_migrations/16_up_managed_ips.sql
@@ -3,12 +3,12 @@ CREATE TABLE host_network (
   public_ipv4_cidr_block  TEXT NOT NULL,
   network_name       TEXT NOT NULL,
   host               TEXT NOT NULL REFERENCES hosts(id) ON DELETE RESTRICT,
-  PRIMARY KEY (host, network_name)
+  CONSTRAINT host_network_pkey PRIMARY KEY (host, network_name)
 );
 
-
 INSERT INTO host_network (host, network_name, public_ipv4_cidr_block) VALUES ('baikal', 'virbr1', '69.61.2.162/27'),
-                                                                             ('baikal', 'virbr2', '69.61.2.194/26');
+                                                                             ('baikal', 'virbr2', '69.61.2.194/26'),
+                                                                             ('baikal', 'virbr3', '69.61.38.193/26');
 ALTER TABLE vms RENAME COLUMN last_seen_ipv4 TO public_ipv4;
 ALTER TABLE vms RENAME COLUMN last_seen_ipv6 TO public_ipv6;
 ALTER TABLE vms ADD COLUMN network_name TEXT;
@@ -18,7 +18,8 @@ UPDATE vms SET network_name = 'virbr2' WHERE public_ipv4 >= '69.61.2.192';
 
 ALTER TABLE vms ALTER COLUMN network_name SET NOT NULL;
 
-ALTER TABLE vms ADD FOREIGN KEY (host, network_name) REFERENCES host_network(host, network_name) ON DELETE RESTRICT;
+ALTER TABLE vms ADD CONSTRAINT vms_host_network_name_fkey FOREIGN KEY (host, network_name) 
+                                               REFERENCES host_network(host, network_name) ON DELETE RESTRICT;
 
 
 UPDATE schemaversion SET version = 16;
diff --git a/capsulflask/schema_migrations/17_down_bridge_and_network_name.sql b/capsulflask/schema_migrations/17_down_bridge_and_network_name.sql
new file mode 100644
index 0000000..2f6d0a9
--- /dev/null
+++ b/capsulflask/schema_migrations/17_down_bridge_and_network_name.sql
@@ -0,0 +1,18 @@
+
+
+ALTER TABLE vms DROP CONSTRAINT vms_host_network_name_fkey;
+
+UPDATE host_network SET network_name = 'virbr1' WHERE virtual_bridge_name = "virbr1";
+UPDATE host_network SET network_name = 'virbr2' WHERE virtual_bridge_name = "virbr1";
+UPDATE host_network SET network_name = 'virbr3' WHERE virtual_bridge_name = "virbr2";
+
+UPDATE vms SET network_name = 'virbr1' WHERE network_name = "public1";
+UPDATE vms SET network_name = 'virbr2' WHERE network_name = "public2";
+UPDATE vms SET network_name = 'virbr3' WHERE network_name = "public3";
+
+ALTER TABLE host_network DROP COLUMN virtual_bridge_name;
+
+ALTER TABLE vms ADD CONSTRAINT vms_host_network_name_fkey FOREIGN KEY (host, network_name) 
+                                               REFERENCES host_network(host, network_name) ON DELETE RESTRICT;
+
+UPDATE schemaversion SET version = 16;
diff --git a/capsulflask/schema_migrations/17_up_bridge_and_network_name.sql b/capsulflask/schema_migrations/17_up_bridge_and_network_name.sql
new file mode 100644
index 0000000..92d51a5
--- /dev/null
+++ b/capsulflask/schema_migrations/17_up_bridge_and_network_name.sql
@@ -0,0 +1,26 @@
+
+
+ALTER TABLE vms DROP CONSTRAINT vms_host_network_name_fkey;
+
+ALTER TABLE host_network RENAME COLUMN network_name TO virtual_bridge_name;
+
+ALTER TABLE host_network ADD COLUMN network_name TEXT;
+
+UPDATE host_network SET network_name = 'public1' WHERE virtual_bridge_name = 'virbr1';
+UPDATE host_network SET network_name = 'public2' WHERE virtual_bridge_name = 'virbr2';
+UPDATE host_network SET network_name = 'public3' WHERE virtual_bridge_name = 'virbr3';
+
+UPDATE vms SET network_name = 'public1' WHERE network_name = 'virbr1';
+UPDATE vms SET network_name = 'public2' WHERE network_name = 'virbr2';
+UPDATE vms SET network_name = 'public3' WHERE network_name = 'virbr3';
+
+ALTER TABLE host_network ALTER COLUMN network_name SET NOT NULL;
+
+ALTER TABLE host_network DROP CONSTRAINT host_network_pkey;
+ALTER TABLE host_network ADD CONSTRAINT host_network_pkey PRIMARY KEY (host, network_name);
+
+ALTER TABLE vms ADD CONSTRAINT vms_host_network_name_fkey FOREIGN KEY (host, network_name) 
+                                               REFERENCES host_network(host, network_name) ON DELETE RESTRICT;
+
+UPDATE schemaversion SET version = 17;
+