Increase check_console_loop to 12
Increase check_console_loop to 12

It failed once when deeply testing in parallel [1].

https://build.opnfv.org/ci/job/functest-opnfv-functest-vnf-jerma-vyos_vrouter-run/80/console

Change-Id: Ia70c43d603302d1bed46d984541b0e71461be4c4
Signed-off-by: Cédric Ollivier <d48310251a4a484d041bc5d09a9ac4d86d20f793@orange.com>

opnfv/functest,opnfv/functest