feat(network-chaos): Adding the tc-image as env in network experiments (#273)

Signed-off-by: shubhamchaudhary <shubham.chaudhary@mayadata.io>

charts/generic/pod-network-duplication/experiment.yaml

@@ -38,17 +38,27 @@ spec:
     env:
     - name: TOTAL_CHAOS_DURATION
       value: '60'
+
     - name: RAMP_TIME
       value: ''
+
     - name: TARGET_CONTAINER
       value: ''
+
+    - name: TC_IMAGE
+      value: 'gaiadocker/iproute2'
+
     - name: NETWORK_INTERFACE
       value: 'eth0'
+
     - name: NETWORK_PACKET_DUPLICATION_PERCENTAGE
       value: '100' # in percentage
+
     - name: LIB
       value: 'pumba'      
+
     - name: LIB_IMAGE
       value: 'gaiaadm/pumba:0.6.5'
+
     labels:
       name: pod-network-duplication