diff --git a/client/site_tests/network_CheckCriticalProcesses/control b/client/site_tests/network_CheckCriticalProcesses/control
index ef3f286..1fc48f3 100644
--- a/client/site_tests/network_CheckCriticalProcesses/control
+++ b/client/site_tests/network_CheckCriticalProcesses/control
@@ -17,7 +17,11 @@
 
 NETWORK_CRITICAL_PROCESSES = [
     'dbus-daemon',
+     # dhcpcd expected for a test-lab DUT controlled via ethernet.
+    'dhcpcd',
     'netfilter-queue|conntrackd',
+     # powerd expected as long as it controls set_wifi_transmit_power.
+    'powerd',
     'shill',
     'udevd|systemd-udevd',
     'update_engine',