Increase retry timeout when fetching karaf.log
Increase retry timeout when fetching karaf.log

In some environment it might take longer than 5s. Increase to 30s.

Change-Id: Id9283ee2c5015e83aecf56fdc45ab200eb1c427b

y-higuchi/onos,sdnwiselab/onos,gkatsikas/onos,opennetworkinglab/onos,osinstom/onos,kuujo/onos,gkatsikas/onos,kuujo/onos,LorenzReinhart/ONOSnew,sdnwiselab/onos,kuujo/onos,gkatsikas/onos,y-higuchi/onos,sdnwiselab/onos,opennetworkinglab/onos,gkatsikas/onos,kuujo/onos,kuujo/onos,donNewtonAlpha/onos,LorenzReinhart/ONOSnew,kuujo/onos,opennetworkinglab/onos,y-higuchi/onos,donNewtonAlpha/onos,opennetworkinglab/onos,y-higuchi/onos,gkatsikas/onos,oplinkoms/onos,gkatsikas/onos,LorenzReinhart/ONOSnew,osinstom/onos,sdnwiselab/onos,y-higuchi/onos,sdnwiselab/onos,osinstom/onos,donNewtonAlpha/onos,donNewtonAlpha/onos,oplinkoms/onos,oplinkoms/onos,osinstom/onos,LorenzReinhart/ONOSnew,osinstom/onos,opennetworkinglab/onos,donNewtonAlpha/onos,oplinkoms/onos,LorenzReinhart/ONOSnew,opennetworkinglab/onos,kuujo/onos,oplinkoms/onos,oplinkoms/onos,oplinkoms/onos,sdnwiselab/onos