tools/examples: hardcode #!/usr/bin/python shebang
diff --git a/examples/networking/distributed_bridge/main.py b/examples/networking/distributed_bridge/main.py
index 056443e..c72360e 100755
--- a/examples/networking/distributed_bridge/main.py
+++ b/examples/networking/distributed_bridge/main.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
# Copyright (c) PLUMgrid, Inc.
# Licensed under the Apache License, Version 2.0 (the "License")
diff --git a/examples/networking/distributed_bridge/tunnel.py b/examples/networking/distributed_bridge/tunnel.py
index ef94292..11b59f0 100755
--- a/examples/networking/distributed_bridge/tunnel.py
+++ b/examples/networking/distributed_bridge/tunnel.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
# Copyright (c) PLUMgrid, Inc.
# Licensed under the Apache License, Version 2.0 (the "License")
diff --git a/examples/networking/distributed_bridge/tunnel_mesh.py b/examples/networking/distributed_bridge/tunnel_mesh.py
index f111ac9..54ecfcd 100644
--- a/examples/networking/distributed_bridge/tunnel_mesh.py
+++ b/examples/networking/distributed_bridge/tunnel_mesh.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
# Copyright (c) PLUMgrid, Inc.
# Licensed under the Apache License, Version 2.0 (the "License")
diff --git a/examples/networking/dns_matching/dns_matching.py b/examples/networking/dns_matching/dns_matching.py
index c8625cd..943dca5 100755
--- a/examples/networking/dns_matching/dns_matching.py
+++ b/examples/networking/dns_matching/dns_matching.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
from __future__ import print_function
from bcc import BPF
diff --git a/examples/networking/http_filter/http-parse-complete.py b/examples/networking/http_filter/http-parse-complete.py
index 1218cb2..f1e5e0a 100644
--- a/examples/networking/http_filter/http-parse-complete.py
+++ b/examples/networking/http_filter/http-parse-complete.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
#
#Bertrone Matteo - Polytechnic of Turin
#November 2015
diff --git a/examples/networking/http_filter/http-parse-simple.py b/examples/networking/http_filter/http-parse-simple.py
index 1fad0d8..b702393 100644
--- a/examples/networking/http_filter/http-parse-simple.py
+++ b/examples/networking/http_filter/http-parse-simple.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
#
#Bertrone Matteo - Polytechnic of Turin
#November 2015
diff --git a/examples/networking/neighbor_sharing/tc_neighbor_sharing.py b/examples/networking/neighbor_sharing/tc_neighbor_sharing.py
index 43799c9..8d13c43 100755
--- a/examples/networking/neighbor_sharing/tc_neighbor_sharing.py
+++ b/examples/networking/neighbor_sharing/tc_neighbor_sharing.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
# Copyright (c) PLUMgrid, Inc.
# Licensed under the Apache License, Version 2.0 (the "License")
diff --git a/examples/networking/simple_tc.py b/examples/networking/simple_tc.py
index 4dd8aa5..ec0a3e7 100755
--- a/examples/networking/simple_tc.py
+++ b/examples/networking/simple_tc.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
# Copyright (c) PLUMgrid, Inc.
# Licensed under the Apache License, Version 2.0 (the "License")
diff --git a/examples/networking/tc_perf_event.py b/examples/networking/tc_perf_event.py
index 40e7411..4a1b754 100755
--- a/examples/networking/tc_perf_event.py
+++ b/examples/networking/tc_perf_event.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
#
# tc_perf_event.py Output skb and meta data through perf event
#
diff --git a/examples/networking/tunnel_monitor/main.py b/examples/networking/tunnel_monitor/main.py
index d3359ef..7d3acb8 100755
--- a/examples/networking/tunnel_monitor/main.py
+++ b/examples/networking/tunnel_monitor/main.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
# Copyright (c) PLUMgrid, Inc.
# Licensed under the Apache License, Version 2.0 (the "License")
diff --git a/examples/networking/tunnel_monitor/monitor.py b/examples/networking/tunnel_monitor/monitor.py
index bac3420..fb3613e 100644
--- a/examples/networking/tunnel_monitor/monitor.py
+++ b/examples/networking/tunnel_monitor/monitor.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
# Copyright (c) PLUMgrid, Inc.
# Licensed under the Apache License, Version 2.0 (the "License")
diff --git a/examples/networking/vlan_filter/data-plane-tracing.py b/examples/networking/vlan_filter/data-plane-tracing.py
index 975552f..efaa7f1 100755
--- a/examples/networking/vlan_filter/data-plane-tracing.py
+++ b/examples/networking/vlan_filter/data-plane-tracing.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
from __future__ import print_function
from bcc import BPF
diff --git a/examples/networking/vlan_learning/vlan_learning.py b/examples/networking/vlan_learning/vlan_learning.py
index a902320..7229176 100755
--- a/examples/networking/vlan_learning/vlan_learning.py
+++ b/examples/networking/vlan_learning/vlan_learning.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
# Copyright (c) PLUMgrid, Inc.
# Licensed under the Apache License, Version 2.0 (the "License")
diff --git a/examples/networking/xdp/xdp_drop_count.py b/examples/networking/xdp/xdp_drop_count.py
index f04cb15..9b228d4 100755
--- a/examples/networking/xdp/xdp_drop_count.py
+++ b/examples/networking/xdp/xdp_drop_count.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
#
# xdp_drop_count.py Drop incoming packets on XDP layer and count for which
# protocol type
diff --git a/examples/networking/xdp/xdp_macswap_count.py b/examples/networking/xdp/xdp_macswap_count.py
index 145d004..bb4107e 100755
--- a/examples/networking/xdp/xdp_macswap_count.py
+++ b/examples/networking/xdp/xdp_macswap_count.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
#
# xdp_macswap_count.py Swap Source and Destination MAC addresses on
# incoming packets and transmit packets back on
diff --git a/examples/networking/xdp/xdp_redirect_cpu.py b/examples/networking/xdp/xdp_redirect_cpu.py
index f7aa2bc..15b0d09 100755
--- a/examples/networking/xdp/xdp_redirect_cpu.py
+++ b/examples/networking/xdp/xdp_redirect_cpu.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
#
# xdp_redirect_cpu.py Redirect the incoming packet to the specific CPU
#
diff --git a/examples/networking/xdp/xdp_redirect_map.py b/examples/networking/xdp/xdp_redirect_map.py
index e3b90a3..4a62272 100755
--- a/examples/networking/xdp/xdp_redirect_map.py
+++ b/examples/networking/xdp/xdp_redirect_map.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
#
# xdp_redirect_map.py Redirect the incoming packet to another interface
# with the helper: bpf_redirect_map()