```
[15:42:33] <+icinga-wm> PROBLEM - Host db1105 is DOWN: PING CRITICAL - Packet loss = 100%
[15:43:11] <+icinga-wm> RECOVERY - Host db1105 is UP: PING OK - Packet loss = 0%, RTA = 0.32 ms
```
```
root@db1105:~# w
13:48:06 up 5 min, 3 users, load average: 1.28, 1.44, 0.73
```
Oct 18 13:33:19 db1105 kernel: [19549564.111690] perf: interrupt took too long (17572 > 17107), lowering kernel.perf_event_max_sample_rate to 11250
Oct 18 13:34:47 db1105 kernel: [19549652.133836] perf: interrupt took too long (22884 > 21965), lowering kernel.perf_event_max_sample_rate to 8500
Oct 18 13:36:44 db1105 kernel: [19549769.307864] perf: interrupt took too long (29249 > 28605), lowering kernel.perf_event_max_sample_rate to 6750
Oct 18 13:38:01 db1105 wmf-auto-restart: INFO: 2019-10-18 13:38:01,796 : No restart necessary for service rsyslog
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@Oct 18 13:42:49 db1105 rsyslogd: imuxsock: Acquired UNIX socket '/run/systemd/journal/syslog' (fd 3) from systemd. [v8.1901.0]
```