I can also confirm similar behaviour on my machine. I cannot enumerate the conditions required to set off this bug however it is very annoying. This happens only on my ethernet connection.
neville@neville-laptop:~$ sudo dhclient eth0
[sudo] password for neville:
Internet Systems Consortium DHCP Client V3.1.1
Copyright 2004-2008 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
wmaster0: unknown hardware address type 801
wmaster0: unknown hardware address type 801
Listening on LPF/eth0/00:1c:25:95:69:39
Sending on LPF/eth0/00:1c:25:95:69:39
Sending on Socket/fallback
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 5
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 18
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 19
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 9
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 2
No DHCPOFFERS received.
No working leases in persistent database - sleeping.
neville@neville-laptop:~$ ifconfig
eth0 Link encap:Ethernet HWaddr 00:1c:25:95:69:39
inet6 addr: fe80::21c:25ff:fe95:6939/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:39 errors:0 dropped:0 overruns:0 frame:0
TX packets:53 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100
RX bytes:5232 (5.2 KB) TX bytes:14147 (14.1 KB) Memory:fc000000-fc020000
eth0:avahi Link encap:Ethernet HWaddr 00:1c:25:95:69:39
inet addr:169.254.4.231 Bcast:169.254.255.255 Mask:255.255.0.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Memory:fc000000-fc020000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:12 errors:0 dropped:0 overruns:0 frame:0
TX packets:12 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0
RX bytes:752 (752.0 B) TX bytes:752 (752.0 B)
wlan0 Link encap:Ethernet HWaddr 00:21:5d:4e:12:00
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
wmaster0 Link encap:UNSPEC HWaddr 00-21-5D-4E-12-00-00-00-00-00-00-00-00-00-00-00
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
I can also confirm similar behaviour on my machine. I cannot enumerate the conditions required to set off this bug however it is very annoying. This happens only on my ethernet connection.
neville@ neville- laptop: ~$ sudo dhclient eth0 www.isc. org/sw/ dhcp/
[sudo] password for neville:
Internet Systems Consortium DHCP Client V3.1.1
Copyright 2004-2008 Internet Systems Consortium.
All rights reserved.
For info, please visit http://
wmaster0: unknown hardware address type 801 00:1c:25: 95:69:39 00:1c:25: 95:69:39 neville- laptop: ~$ ifconfig 25ff:fe95: 6939/64 Scope:Link
collisions: 0 txqueuelen:100
Memory: fc000000- fc020000
wmaster0: unknown hardware address type 801
Listening on LPF/eth0/
Sending on LPF/eth0/
Sending on Socket/fallback
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 5
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 18
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 19
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 9
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 2
No DHCPOFFERS received.
No working leases in persistent database - sleeping.
neville@
eth0 Link encap:Ethernet HWaddr 00:1c:25:95:69:39
inet6 addr: fe80::21c:
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:39 errors:0 dropped:0 overruns:0 frame:0
TX packets:53 errors:0 dropped:0 overruns:0 carrier:0
RX bytes:5232 (5.2 KB) TX bytes:14147 (14.1 KB)
eth0:avahi Link encap:Ethernet HWaddr 00:1c:25:95:69:39 254.255. 255 Mask:255.255.0.0
Memory: fc000000- fc020000
inet addr:169.254.4.231 Bcast:169.
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
lo Link encap:Local Loopback
collisions: 0 txqueuelen:0
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:12 errors:0 dropped:0 overruns:0 frame:0
TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
RX bytes:752 (752.0 B) TX bytes:752 (752.0 B)
wlan0 Link encap:Ethernet HWaddr 00:21:5d:4e:12:00
collisions: 0 txqueuelen:1000
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
wmaster0 Link encap:UNSPEC HWaddr 00-21-5D- 4E-12-00- 00-00-00- 00-00-00- 00-00-00- 00
collisions: 0 txqueuelen:1000
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
neville@ neville- laptop: ~$