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I am using an 'Hama Wireless LAN USB Stick'. My Connection disconnects regularly, sometimes its possible to reconnect, but mostly its not helping...

My /var/log/syslog contains the following lines:
<warn> /sys/devices/virtual/net/lo: couldn't determine device driver; ignoring...
<warn> /sys/devices/virtual/net/lo: couldn't determine device driver; ignoring...

ifconfig Output:

wlan0 Link encap:Ethernet Hardware Adresse 80:1f:02:05:fd:d7
inet Adresse: Bcast: Maske:
inet6-Adresse: fe80::821f:2ff:fe05:fdd7/64 Gültigkeitsbereich:Verbindung
RX-Pakete:230 Fehler:0 Verloren:0 Überläufe:0 Fenster:0
TX-Pakete:266 Fehler:0 Verloren:0 Überläufe:0 Träger:0
Kollisionen:0 Sendewarteschlangenlänge:1000
RX-Bytes:116654 (116.6 KB) TX-Bytes:54715 (54.7 KB)

I'm not shure if this is a Ubuntu Issue, because rebooting the router helps (sometimes).

Is there any solution ?
Thanks in the preface

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