Comment 12 for bug 1575688

I'm facing issue in Keystone [16.04 Xenial, Newton], when I replace utf8mb4 with utf8 in /etc/mysql/mariadb.conf.d/50-client.cnf
Then, it triggers error
root@Mil-controller:/home/super# mysql -u root -p
mysql: unknown variable 'defualt-character-set=utf8'

But, if I leave it same with utf8mb4, then keystone doesn't sycn