diff --git a/ansible/roles/docker/tasks/debian.yml b/ansible/roles/docker/tasks/debian.yml
index f590f17..867c211 100644
--- a/ansible/roles/docker/tasks/debian.yml
+++ b/ansible/roles/docker/tasks/debian.yml
@@ -23,6 +23,13 @@
     state: present
   tags: [docker]
 
+- name: netifaces pip package is present
+  pip:
+    name: netifaces
+    version: 0.10.4
+    state: present
+  tags: [docker]
+
 - name: Debian files are present
   template:
     src: "{{ docker_cfg }}"
diff --git a/requirements.txt b/requirements.txt
index eab3c02..989ae4a 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@
 protobuf-to-dict>=0.1.0
 pyflakes>=1.0.0
 pylint>=1.5.2
-#pypcap>=1.1.5
+pypcap>=1.1.5
 pyOpenSSL>=0.13
 PyYAML>=3.10
 requests