<!-- Please do *NOT* ask usage questions in Github issues. If your issue is not a feature request or bug report use: https://groups.google.com/forum/#!forum/prometheus-users. If you are unsure whether you hit a bug, search and ask in the mailing list first. You can find more information at: https://prometheus.io/community/ --> **What did you do?** **What did you expect to see?** **What did you see instead? Under which circumstances?** **Environment** * System information: insert output of `uname -srm` here * Alertmanager version: insert output of `alertmanager --version` here (repeat for each alertmanager version in your cluster, if relevant to the issue) * Prometheus version: insert output of `prometheus --version` here (repeat for each prometheus version in your cluster, if relevant to the issue) * Alertmanager configuration file: ``` insert configuration here ``` * Prometheus configuration file: ``` insert configuration here (if relevant to the issue) ``` * Logs: ``` insert Prometheus and Alertmanager logs relevant to the issue here ```