diff --git a/data/hostname/worker09.internal.softwareheritage.org.yaml b/data/hostname/worker09.internal.softwareheritage.org.yaml
index 16c37d44..96c2da7b 100644
--- a/data/hostname/worker09.internal.softwareheritage.org.yaml
+++ b/data/hostname/worker09.internal.softwareheritage.org.yaml
@@ -1,3 +1,15 @@
+networks:
+  private:
+    interface: eth1
+    address: 192.168.100.32
+    netmask: 255.255.255.0
+    gateway: 192.168.100.1
+  default:
+    interface: eth0
+    address: 128.93.193.33
+    netmask: 255.255.255.0
+    gateway: 128.93.193.254
+
 swh::deploy::worker::instances:
   - swh_loader_svn
   - swh_loader_git_disk
diff --git a/data/hostname/worker10.internal.softwareheritage.org.yaml b/data/hostname/worker10.internal.softwareheritage.org.yaml
index 16c37d44..ffcdb623 100644
--- a/data/hostname/worker10.internal.softwareheritage.org.yaml
+++ b/data/hostname/worker10.internal.softwareheritage.org.yaml
@@ -1,3 +1,15 @@
+networks:
+  private:
+    interface: eth1
+    address: 192.168.100.33
+    netmask: 255.255.255.0
+    gateway: 192.168.100.1
+  default:
+    interface: eth0
+    address: 128.93.193.33
+    netmask: 255.255.255.0
+    gateway: 128.93.193.254
+
 swh::deploy::worker::instances:
   - swh_loader_svn
   - swh_loader_git_disk