are suspected being broken by the following changes
"Still Unstable" - the failing test cases have not been fixed by these
                   following changes and this is a notification to note that
                   these changes have not been fully tested by the CI system

Change summaries:
(Those commits are likely but not certainly responsible)

df84867e8af49437bdc76a0df41d78f5a362cd24 by cperciva:
Azure: Fix image names



The failed test cases:

1 tests failed.
FAILED:  sys.netpfil.pf.route_to.random_table

Error Message:
Target 2001:db8:4202::42:4 not selected after 10 attempts!
------=_Part_1114_1256709694.1762856891025--