Hi, here´s the additional information:

After booting the system, and without manually starting any interfaces,
please gather:

- all /var/log/upstart/network/interface-*.log files present on the system
- the output of 'ls -l /run/network'
- the output of 'ifconfig'
- the file /run/network/ifstate

... and forward this information to the bug report.

Thanks,

var/log/upstart/interface-wlan0.log:

Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.2
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
RTNETLINK answers: Operation not possible due to RF-kill
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
send_packet: Network is down
receive_packet failed on wlan0: Network is down
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
send_packet: Network is down
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 7
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 15
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 18
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 21
send_packet: Network is down
No DHCPOFFERS received.
Trying recorded lease 192.168.1.36
connect: Network is unreachable
Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.2
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
RTNETLINK answers: Operation not possible due to RF-kill
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
send_packet: Network is down
receive_packet failed on wlan0: Network is down
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 11
send_packet: Network is down
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.2
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
RTNETLINK answers: Operation not possible due to RF-kill
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
send_packet: Network is down
receive_packet failed on wlan0: Network is down
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
send_packet: Network is down
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 5
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 13
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 21
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 11
send_packet: Network is down
No DHCPOFFERS received.
Trying recorded lease 192.168.1.36
connect: Network is unreachable
Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.2
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
RTNETLINK answers: Operation not possible due to RF-kill
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
send_packet: Network is down
receive_packet failed on wlan0: Network is down
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 7
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 15
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 18
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 20
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 1
send_packet: Network is down
No DHCPOFFERS received.
Trying recorded lease 192.168.1.36
connect: Network is unreachable
Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.2
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
RTNETLINK answers: Operation not possible due to RF-kill
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
send_packet: Network is down
receive_packet failed on wlan0: Network is down
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 7
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 17
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 19
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 17
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 1
send_packet: Network is down
No DHCPOFFERS received.
Trying recorded lease 192.168.1.36
connect: Network is unreachable
Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.2
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
RTNETLINK answers: Operation not possible due to RF-kill
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
send_packet: Network is down
receive_packet failed on wlan0: Network is down
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 7
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 13
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 15
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 16
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 10
send_packet: Network is down
No DHCPOFFERS received.
Trying recorded lease 192.168.1.36
connect: Network is unreachable
Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.2
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
RTNETLINK answers: Operation not possible due to RF-kill
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3
send_packet: Network is down
receive_packet failed on wlan0: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 5
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 11
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 19
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 11
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 4
send_packet: Network is down
No DHCPOFFERS received.
Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.2
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
RTNETLINK answers: Operation not possible due to RF-kill
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 7
send_packet: Network is down
receive_packet failed on wlan0: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 15
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 12
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 16
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3
send_packet: Network is down
No DHCPOFFERS received.
Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.2
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
RTNETLINK answers: Operation not possible due to RF-kill
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6
send_packet: Network is down
receive_packet failed on wlan0: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 12
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 14
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 18
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 11
send_packet: Network is down
No DHCPOFFERS received.
Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.2
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
RTNETLINK answers: Operation not possible due to RF-kill
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6
send_packet: Network is down
receive_packet failed on wlan0: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 10
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 14
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 20
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 11
send_packet: Network is down
No DHCPOFFERS received.
Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.2
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
RTNETLINK answers: Operation not possible due to RF-kill
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
send_packet: Network is down
receive_packet failed on wlan0: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 15
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 11
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 11
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 13
send_packet: Network is down
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3
send_packet: Network is down
No DHCPOFFERS received.
Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.4
Copyright 2004-2012 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 15
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 9
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 13
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
No DHCPOFFERS received.
Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.4
Copyright 2004-2012 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 10
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 21
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 10
No DHCPOFFERS received.
Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.4
Copyright 2004-2012 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 12
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 11
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 14
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 10
No DHCPOFFERS received.
Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.4
Copyright 2004-2012 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 15
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 16
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 17
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 4
No DHCPOFFERS received.
Trying recorded lease 192.168.1.36
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.

--- 192.168.1.1 ping statistics ---
1 packets transmitted, 0 received, +1 errors, 100% packet loss, time 0ms

Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.4
Copyright 2004-2012 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
DHCPREQUEST on wlan0 to 255.255.255.255 port 67
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 5
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 13
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 9
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 13
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 9
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 12
No DHCPOFFERS received.
Trying recorded lease 192.168.1.36
PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.

--- 192.168.1.1 ping statistics ---
1 packets transmitted, 0 received, +1 errors, 100% packet loss, time 0ms

Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.
Failed to connect to wpa_supplicant - wpa_ctrl_open: Read-only file system
Internet Systems Consortium DHCP Client 4.2.4
Copyright 2004-2012 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

can't create /var/lib/dhcp/dhclient.wlan0.leases: Read-only file system
Listening on LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   LPF/wlan0/74:2f:68:d9:dd:3b
Sending on   Socket/fallback
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 6
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 17
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 18
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 9
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 7
DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 3
No DHCPOFFERS received.
Unable to obtain a lease on first try.  Exiting.
Failed to bring up wlan0.

ls -l /run/network:
insgesamt 4
-rw-r--r-- 1 root root 6 Dez  4 20:36 ifstate
-rw-r--r-- 1 root root 0 Dez  4 20:35 ifup.lo

ifconfig:
eth0      Link encap:Ethernet  Hardware Adresse 54:04:a6:25:66:f1  
          UP BROADCAST MULTICAST  MTU:1500  Metrik:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          Kollisionen:0 Sendewarteschlangenlänge:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:42 

lo        Link encap:Lokale Schleife  
          inet Adresse:127.0.0.1  Maske:255.0.0.0
          inet6-Adresse: ::1/128 Gültigkeitsbereich:Maschine
          UP LOOPBACK RUNNING  MTU:16436  Metrik:1
          RX packets:64 errors:0 dropped:0 overruns:0 frame:0
          TX packets:64 errors:0 dropped:0 overruns:0 carrier:0
          Kollisionen:0 Sendewarteschlangenlänge:0 
          RX bytes:3200 (3.1 KiB)  TX bytes:3200 (3.1 KiB)

wlan0     Link encap:Ethernet  Hardware Adresse 74:2f:68:d9:dd:3b  
          UP BROADCAST MULTICAST  MTU:1500  Metrik:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          Kollisionen:0 Sendewarteschlangenlänge:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

/run/network/ifstate:
lo=lo
Regards
Peter

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