Danke für den Tip ... ich vermute es liegt an dem ntp, wie an anderer Stelle schon beschrieben wurde:
Feb 14 09:23:18 laptop1 kernel: tsc: Fast TSC calibration failed
Feb 14 09:23:20 laptop1 systemd-udevd[266]: unknown key 'SYSFS{idVendor}' in /etc/udev/rules.d/80-persistent-usb.rules:19
Feb 14 09:23:20 laptop1 systemd-udevd[266]: invalid rule '/etc/udev/rules.d/80-persistent-usb.rules:19'
Feb 14 09:23:30 laptop1 ntpdate[932]: Can't find host 0.debian.pool.ntp.org: Name or service not known (-2)
Feb 14 09:23:30 laptop1 ntpdate[932]: Can't find host 1.debian.pool.ntp.org: Name or service not known (-2)
Feb 14 09:23:30 laptop1 ntpdate[932]: Can't find host 2.debian.pool.ntp.org: Name or service not known (-2)
Feb 14 09:23:30 laptop1 ntpdate[932]: Can't find host 3.debian.pool.ntp.org: Name or service not known (-2)
Feb 14 09:23:30 laptop1 ntpdate[932]: no servers can be used, exiting
Feb 14 09:24:47 laptop1 systemd[1]: Timed out waiting for device dev-disk-by\x2duuid-a95518af\x2d02a6\x2d4650\x2da5ca\x2d82f56$
Feb 14 09:24:47 laptop1 systemd[1]: Dependency failed for /dev/disk/by-uuid/a95518af-02a6-4650-a5ca-82f5609b4990.
Feb 14 09:24:48 laptop1 systemd[1]: Failed to start /etc/rc.local Compatibility.
Feb 14 09:24:49 laptop1 minissdpd[1035]: setsockopt(udp, IP_ADD_MEMBERSHIP)(0.0.0.0): No such device
Feb 14 09:24:55 laptop1 ntpd_intres[1168]: host name not found: 0.debian.pool.ntp.org
Feb 14 09:24:55 laptop1 ntpd_intres[1168]: host name not found: 1.debian.pool.ntp.org
Feb 14 09:24:55 laptop1 ntpd_intres[1168]: host name not found: 2.debian.pool.ntp.org
Feb 14 09:24:55 laptop1 ntpd_intres[1168]: host name not found: 3.debian.pool.ntp.org
Feb 14 09:25:05 laptop1 wpa_supplicant[1303]: nl80211: Could not configure driver to use managed mode
Feb 14 09:25:08 laptop1 libvirtd[1042]: libvirt version: 1.2.1
Feb 14 09:25:12 laptop1 libvirtd[1042]: Could not find 'ebtables' executable
Feb 14 09:25:37 laptop1 ntpdate[1814]: the NTP socket is in use, exiting
Feb 14 09:26:28 laptop1 systemd[1]: Timed out waiting for device dev-disk-by\x2duuid-a95518af\x2d02a6\x2d4650\x2da5ca\x2d82f56$
Feb 14 09:26:28 laptop1 systemd[1]: Dependency failed for /dev/disk/by-uuid/a95518af-02a6-4650-a5ca-82f5609b4990.
Feb 14 09:34:31 laptop1 kernel: ACPI: Error installing CMOS-RTC region handler
Feb 14 09:34:32 laptop1 kernel: Bluetooth: hci0 command 0x1009 tx timeout
Feb 14 09:34:39 laptop1 NetworkManager[1177]: <error> [1392366879.949518] [nm-system.c:768] nm_system_iface_get_flags(): (unkn$
Feb 14 09:34:39 laptop1 NetworkManager[1177]: <error> [1392366879.956202] [nm-system.c:768] nm_system_iface_get_flags(): (unkn$
Feb 14 09:34:39 laptop1 NetworkManager[1177]: nm_system_iface_flush_routes: assertion `iface != NULL' failed
Feb 14 09:34:39 laptop1 NetworkManager[1177]: <error> [1392366879.999418] [nm-system.c:768] nm_system_iface_get_flags(): (unkn$
Feb 14 09:34:40 laptop1 wpa_supplicant[1303]: Could not read interface wlan0 flags: No such device
Feb 14 09:34:45 laptop1 wpa_supplicant[1303]: nl80211: Could not configure driver to use managed mode
Feb 14 09:35:08 laptop1 ntpdate[5055]: the NTP socket is in use, exiting
Feb 14 09:36:14 laptop1 systemd[1]: Timed out waiting for device dev-disk-by\x2duuid-a95518af\x2d02a6\x2d4650\x2da5ca\x2d82f56$
Feb 14 09:36:14 laptop1 systemd[1]: Dependency failed for /dev/disk/by-uuid/a95518af-02a6-4650-a5ca-82f5609b4990.
Feb 14 11:04:03 laptop1 systemd[1]: Timed out waiting for device dev-disk-by\x2duuid-a95518af\x2d02a6\x2d4650\x2da5ca\x2d82f56$
Feb 14 11:04:03 laptop1 systemd[1]: Dependency failed for /dev/disk/by-uuid/a95518af-02a6-4650-a5ca-82f5609b4990.