Systeminfo fails when trying to get status

My host cannot get online.
I have set debug on, and the log says:

12:19:11.668 [DEBUG] [discovery.SysteminfoDiscoveryService] - Starting system information discovery !
12:19:11.672 [INFO ] [g.discovery.internal.PersistentInbox] - Added new thing ‘systeminfo:computer:proxmox’ to inbox.
12:19:11.673 [INFO ] [smarthome.event.InboxAddedEvent ] - Discovery Result with UID ‘systeminfo:computer:proxmox’ has been added.
12:20:00.421 [INFO ] [me.event.ThingStatusInfoChangedEvent] - ‘systeminfo:computer:proxmox’ changed from UNINITIALIZED to INITIALIZING
12:20:00.422 [INFO ] [smarthome.event.InboxRemovedEvent ] - Discovery Result with UID ‘systeminfo:computer:proxmox’ has been removed.
12:20:00.428 [DEBUG] [systeminfo.handler.SysteminfoHandler] - Start initializing!
12:20:00.435 [INFO ] [smarthome.event.ThingAddedEvent ] - Thing ‘systeminfo:computer:proxmox’ has been added.
12:20:00.577 [ERROR] [systeminfo.handler.SysteminfoHandler] - Can not instantate Systeminfo object!
java.lang.ArrayIndexOutOfBoundsException: 11
at oshi.hardware.platform.linux.LinuxBlockDevStats.(LinuxBlockDevStats.java:78)[187:org.openhab.binding.systeminfo:2.0.0.201612301947]
at oshi.hardware.platform.linux.LinuxDisks.computeDiskStats(LinuxDisks.java:145)[187:org.openhab.binding.systeminfo:2.0.0.201612301947]
at oshi.hardware.platform.linux.LinuxDisks.getDisks(LinuxDisks.java:93)[187:org.openhab.binding.systeminfo:2.0.0.201612301947]
at oshi.hardware.platform.linux.LinuxHardwareAbstractionLayer.getDiskStores(LinuxHardwareAbstractionLayer.java:70)[187:org.openhab.binding.systeminfo:2.0.0.201612301947]
at org.openhab.binding.systeminfo.model.OshiSysteminfo.(OshiSysteminfo.java:69)[187:org.openhab.binding.systeminfo:2.0.0.201612301947]
at org.openhab.binding.systeminfo.handler.SysteminfoHandler.instantiateSysteminfoLibrary(SysteminfoHandler.java:112)[187:org.openhab.binding.systeminfo:2.0.0.201612301947]
at org.openhab.binding.systeminfo.handler.SysteminfoHandler.initialize(SysteminfoHandler.java:98)[187:org.openhab.binding.systeminfo:2.0.0.201612301947]
at org.eclipse.smarthome.core.thing.internal.ThingManager$9$1.call(ThingManager.java:713)[103:org.eclipse.smarthome.core.thing:0.9.0.201612221226]
at org.eclipse.smarthome.core.thing.internal.ThingManager$9$1.call(ThingManager.java:1)[103:org.eclipse.smarthome.core.thing:0.9.0.201612221226]
at org.eclipse.smarthome.core.common.SafeMethodCaller$CallableWrapper.call(SafeMethodCaller.java:179)[96:org.eclipse.smarthome.core:0.9.0.201612221226]
at java.util.concurrent.FutureTask.run(FutureTask.java:266)[:1.8.0_111]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[:1.8.0_111]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[:1.8.0_111]
at java.lang.Thread.run(Thread.java:745)[:1.8.0_111]
12:20:00.583 [INFO ] [me.event.ThingStatusInfoChangedEvent] - ‘systeminfo:computer:proxmox’ changed from INITIALIZING to OFFLINE (HANDLER_INITIALIZING_ERROR): Thing can not be initialized!
12:20:00.584 [DEBUG] [systeminfo.handler.SysteminfoHandler] - Cannot handle command. Thing is not ONLINE.

What’s wrong?