task/internal/syslog: ignore misc.log
task/internal/syslog: ignore misc.log

These regexes are all intended for kernel errors.  Ceph daemon
logs may leak into misc.log (*shakes fist at systemd-journald*)
and cause false positives (i.e., test failures).

Signed-off-by: Sage Weil <6dd34506bbd5e58221bbb3e4732d97c91f02277b@newdream.net>

ktdreyer/teuthology,ceph/teuthology,ktdreyer/teuthology,ceph/teuthology