Merge pull request #1214 from srl-labs/more-time-4-srl-ping

add 5s delay before srl ping test

tests/02-basic-srl/01-two-srls.robot

@@ -79,6 +79,7 @@ Ensure srl1 is reachable over ssh with public key auth
     ...    try_for=10
 
 Ensure srl1 can ping srl2 over ethernet-1/1 interface
+    Sleep    5s    give some time for networking stack to setlle
     ${rc}    ${output} =    Run And Return Rc And Output
     ...    sudo containerlab --runtime ${runtime} exec -t ${CURDIR}/${lab-file-name} --label clab-node-name\=srl1 --cmd "ip netns exec srbase-default ping 192.168.0.1 -c2 -w 3s"
     Log    ${output}