[test-results] Stable check of asterisk failed

[asteriskteam at digium.com]

Build failed.

- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-11/471/ : UNSTABLE in 1h 46m 19s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-13/469/ : SUCCESS in 3h 13m 41s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-14/183/ : SUCCESS in 3h 52m 00s
- https://jenkins.asterisk.org/jenkins/job/periodic-asterisk-master/471/ : UNSTABLE in 4h 51m 27s