After last nights cooker update, when I boot I get messages about
devices pan1 through pan5 not existing. I don't know where these
messages are coming from as I can't find any similar messages in syslog,
but I have found messages from dhcpclient about renaming pan0 to pan5
and pan6 and getting a failure on each. I have also noticed in Network
Center that there is now an unconnected pan6 entry. The messages are
listed below.

May 13 04:14:18 development perl: [RPM]
libpanel-applet-2_0-2.22.1.3-2mdv2009.0 installed
May 13 04:14:56 development perl: [RPM] gnome-panel-2.22.1.3-2mdv2009.0
installed
May 13 04:17:10 development perl: [RPM] gnome-panel-2.22.1.3-1mdv2009.0
removed
May 13 04:17:16 development perl: [RPM]
libpanel-applet-2_0-2.22.1.3-1mdv2009.0 removed
May 13 04:23:25 development kernel: pan0: Dropping NETIF_F_UFO since no
NETIF_F_HW_CSUM feature.
May 13 04:23:27 development ifplugd(pan0)[29826]: ifplugd 0.28 initializing.
May 13 04:23:27 development ifplugd(pan0)[29826]: Using interface
pan0/A6:96:ED:91:29:37 with driver <bridge> (version: 2.3)
May 13 04:23:27 development ifplugd(pan0)[29826]: Using detection mode:
SIOCETHTOOL
May 13 04:23:27 development ifplugd(pan0)[29826]: Initialization
complete, link beat detected.
May 13 04:23:27 development ifplugd(pan0)[29826]: Executing
'/etc/ifplugd/ifplugd.action pan0 up'.
May 13 04:23:28 development avahi-daemon[4504]: Registering new address
record for fe80::a496:edff:fe91:2937 on pan0.*.
May 13 04:23:33 development ifplugd(pan0)[29826]: client: Determining IP
information for pan0...Firewall started
May 13 04:23:37 development dhclient: DHCPDISCOVER on pan0 to
255.255.255.255 port 67 interval 8
May 13 04:23:37 development kernel: pan0: no IPv6 routers present
May 13 04:23:39 development ntpd[5062]: Listening on interface #6 pan0,
fe80::a496:edff:fe91:2937#123 Enabled
May 13 04:23:44 development dhclient: DHCPDISCOVER on pan0 to
255.255.255.255 port 67 interval 11
May 13 04:23:55 development dhclient: DHCPDISCOVER on pan0 to
255.255.255.255 port 67 interval 18
May 13 04:24:13 development dhclient: DHCPDISCOVER on pan0 to
255.255.255.255 port 67 interval 8
May 13 04:24:21 development dhclient: DHCPDISCOVER on pan0 to
255.255.255.255 port 67 interval 15
May 13 04:24:36 development dhclient: DHCPDISCOVER on pan0 to
255.255.255.255 port 67 interval 1
May 13 04:24:38 development ifplugd(pan0)[29826]: client: failed.
May 13 04:24:38 development ifplugd(pan0)[29826]: Program execution
failed, return value is 1.
May 13 14:38:58 development kernel: pan0: Dropping NETIF_F_UFO since no
NETIF_F_HW_CSUM feature.
May 13 14:38:59 development kernel: udev: renamed network interface pan0
to pan1
May 13 14:38:59 development ifplugd(pan1)[5138]: ifplugd 0.28 initializing.
May 13 14:38:59 development ifplugd(pan1)[5138]: Using interface
pan1/DA:FC:F6:D8:FA:0B with driver <bridge> (version: 2.3)
May 13 14:38:59 development ifplugd(pan1)[5138]: Using detection mode:
SIOCETHTOOL
May 13 14:38:59 development ifplugd(pan1)[5138]: Initialization
complete, link beat detected.
May 13 14:38:59 development ifplugd(pan1)[5138]: Executing
'/etc/ifplugd/ifplugd.action pan1 up'.
May 13 14:39:00 development avahi-daemon[4810]: Registering new address
record for fe80::d8fc:f6ff:fed8:fa0b on pan1.*.
May 13 14:39:01 development ifplugd(pan1)[5138]: client: Determining IP
information for pan1...Firewall started
May 13 14:39:02 development dhclient: DHCPDISCOVER on pan1 to
255.255.255.255 port 67 interval 3
May 13 14:39:05 development dhclient: DHCPDISCOVER on pan1 to
255.255.255.255 port 67 interval 3
May 13 14:39:08 development dhclient: DHCPDISCOVER on pan1 to
255.255.255.255 port 67 interval 7
May 13 14:39:09 development kernel: pan1: no IPv6 routers present
May 13 14:39:10 development ntpd[5610]: Listening on interface #3 pan1,
fe80::d8fc:f6ff:fed8:fa0b#123 Enabled
May 13 14:39:15 development dhclient: DHCPDISCOVER on pan1 to
255.255.255.255 port 67 interval 14
May 13 14:39:29 development dhclient: DHCPDISCOVER on pan1 to
255.255.255.255 port 67 interval 20
May 13 14:39:49 development dhclient: DHCPDISCOVER on pan1 to
255.255.255.255 port 67 interval 14
May 13 14:40:03 development ifplugd(pan1)[5138]: client: failed.
May 13 14:40:03 development ifplugd(pan1)[5138]: Program execution
failed, return value is 1.
May 13 15:55:55 development kernel: pan0: Dropping NETIF_F_UFO since no
NETIF_F_HW_CSUM feature.
May 13 15:55:57 development kernel: udev: renamed network interface pan0
to pan2
May 13 15:55:57 development ifplugd(pan2)[4832]: ifplugd 0.28 initializing.
May 13 15:55:57 development ifplugd(pan2)[4832]: Using interface
pan2/CA:38:B2:55:D5:21 with driver <bridge> (version: 2.3)
May 13 15:55:57 development ifplugd(pan2)[4832]: Using detection mode:
SIOCETHTOOL
May 13 15:55:57 development ifplugd(pan2)[4832]: Initialization
complete, link beat detected.
May 13 15:55:57 development ifplugd(pan2)[4832]: Executing
'/etc/ifplugd/ifplugd.action pan2 up'.
May 13 15:55:58 development avahi-daemon[4633]: Registering new address
record for fe80::c838:b2ff:fe55:d521 on pan2.*.
May 13 15:56:00 development ntpd[5130]: Listening on interface #4 pan2,
fe80::c838:b2ff:fe55:d521#123 Enabled
May 13 15:56:01 development ifplugd(pan2)[4832]: client: Determining IP
information for pan2...Firewall started
May 13 15:56:03 development dhclient: DHCPDISCOVER on pan2 to
255.255.255.255 port 67 interval 3
May 13 15:56:06 development dhclient: DHCPDISCOVER on pan2 to
255.255.255.255 port 67 interval 5
May 13 15:56:07 development kernel: pan2: no IPv6 routers present
May 13 15:56:11 development dhclient: DHCPDISCOVER on pan2 to
255.255.255.255 port 67 interval 7
May 13 15:56:18 development dhclient: DHCPDISCOVER on pan2 to
255.255.255.255 port 67 interval 10
May 13 15:56:28 development dhclient: DHCPDISCOVER on pan2 to
255.255.255.255 port 67 interval 9
May 13 15:56:37 development dhclient: DHCPDISCOVER on pan2 to
255.255.255.255 port 67 interval 21
May 13 15:56:58 development dhclient: DHCPDISCOVER on pan2 to
255.255.255.255 port 67 interval 6
May 13 15:57:04 development ifplugd(pan2)[4832]: client: failed.
May 13 15:57:04 development ifplugd(pan2)[4832]: Program execution
failed, return value is 1.
May 14 17:32:04 development kernel: pan0: Dropping NETIF_F_UFO since no
NETIF_F_HW_CSUM feature.
May 14 17:32:06 development kernel: udev: renamed network interface pan0
to pan3
May 14 17:32:06 development ifplugd(pan3)[4941]: ifplugd 0.28 initializing.
May 14 17:32:06 development ifplugd(pan3)[4941]: Using interface
pan3/22:74:77:A1:FE:43 with driver <bridge> (version: 2.3)
May 14 17:32:06 development ifplugd(pan3)[4941]: Using detection mode:
SIOCETHTOOL
May 14 17:32:06 development ifplugd(pan3)[4941]: Initialization
complete, link beat detected.
May 14 17:32:06 development ifplugd(pan3)[4941]: Executing
'/etc/ifplugd/ifplugd.action pan3 up'.
May 14 17:32:06 development avahi-daemon[4622]: Registering new address
record for fe80::2074:77ff:fea1:fe43 on pan3.*.
May 14 17:32:09 development ifplugd(pan3)[4941]: client: Determining IP
information for pan3...Firewall started
May 14 17:32:13 development dhclient: DHCPDISCOVER on pan3 to
255.255.255.255 port 67 interval 8
May 14 17:32:20 development ntpd[5422]: Listening on interface #4 pan3,
fe80::2074:77ff:fea1:fe43#123 Enabled
May 14 17:32:21 development kernel: pan3: no IPv6 routers present
May 14 17:32:27 development dhclient: DHCPDISCOVER on pan3 to
255.255.255.255 port 67 interval 10
May 14 17:32:37 development dhclient: DHCPDISCOVER on pan3 to
255.255.255.255 port 67 interval 10
May 14 17:32:47 development dhclient: DHCPDISCOVER on pan3 to
255.255.255.255 port 67 interval 18
May 14 17:33:05 development dhclient: DHCPDISCOVER on pan3 to
255.255.255.255 port 67 interval 9
May 14 17:33:14 development ifplugd(pan3)[4941]: client: failed.
May 14 17:33:14 development ifplugd(pan3)[4941]: Program execution
failed, return value is 1.
May 14 20:19:42 development kernel: pan0: Dropping NETIF_F_UFO since no
NETIF_F_HW_CSUM feature.
May 14 20:19:44 development kernel: udev: renamed network interface pan0
to pan4
May 14 20:19:44 development ifplugd(pan4)[4945]: ifplugd 0.28 initializing.
May 14 20:19:44 development ifplugd(pan4)[4945]: Using interface
pan4/1E:B7:68:26:5B:B8 with driver <bridge> (version: 2.3)
May 14 20:19:44 development ifplugd(pan4)[4945]: Using detection mode:
SIOCETHTOOL
May 14 20:19:44 development ifplugd(pan4)[4945]: Initialization
complete, link beat detected.
May 14 20:19:44 development ifplugd(pan4)[4945]: Executing
'/etc/ifplugd/ifplugd.action pan4 up'.
May 14 20:19:45 development avahi-daemon[4706]: Registering new address
record for fe80::1cb7:68ff:fe26:5bb8 on pan4.*.
May 14 20:19:47 development ntpd[5282]: Listening on interface #4 pan4,
fe80::1cb7:68ff:fe26:5bb8#123 Enabled
May 14 20:19:49 development ifplugd(pan4)[4945]: client: Determining IP
information for pan4...Firewall started
May 14 20:19:51 development dhclient: DHCPDISCOVER on pan4 to
255.255.255.255 port 67 interval 7
May 14 20:19:54 development kernel: pan4: no IPv6 routers present
May 14 20:19:58 development dhclient: DHCPDISCOVER on pan4 to
255.255.255.255 port 67 interval 7
May 14 20:20:05 development dhclient: DHCPDISCOVER on pan4 to
255.255.255.255 port 67 interval 19
May 14 20:20:24 development dhclient: DHCPDISCOVER on pan4 to
255.255.255.255 port 67 interval 9
May 14 20:20:33 development dhclient: DHCPDISCOVER on pan4 to
255.255.255.255 port 67 interval 15
May 14 20:20:48 development dhclient: DHCPDISCOVER on pan4 to
255.255.255.255 port 67 interval 4
May 14 20:20:52 development ifplugd(pan4)[4945]: client: failed.
May 14 20:20:52 development ifplugd(pan4)[4945]: Program execution
failed, return value is 1.
May 14 23:43:09 development perl: [RPM] libxfce4panel1-4.4.2-3mdv2009.0
installed
May 14 23:43:32 development perl: [RPM] xfce4-panel-4.4.2-3mdv2009.0
installed
May 14 23:46:03 development perl: [RPM] libxfce4panel1-4.4.2-3mdv2008.1
removed
May 14 23:46:16 development perl: [RPM] xfce4-panel-4.4.2-3mdv2008.1 removed
May 15 16:25:49 development kernel: pan0: Dropping NETIF_F_UFO since no
NETIF_F_HW_CSUM feature.
May 15 16:25:50 development kernel: udev: renamed network interface pan0
to pan5
May 15 16:25:50 development ifplugd(pan5)[8978]: ifplugd 0.28 initializing.
May 15 16:25:50 development ifplugd(pan5)[8978]: Using interface
pan5/42:DC:87:4E:FD:83 with driver <bridge> (version: 2.3)
May 15 16:25:50 development ifplugd(pan5)[8978]: Using detection mode:
SIOCETHTOOL
May 15 16:25:50 development ifplugd(pan5)[8978]: Initialization
complete, link beat detected.
May 15 16:25:50 development ifplugd(pan5)[8978]: Executing
'/etc/ifplugd/ifplugd.action pan5 up'.
May 15 16:25:51 development avahi-daemon[8848]: Registering new address
record for fe80::40dc:87ff:fe4e:fd83 on pan5.*.
May 15 16:25:53 development ifplugd(pan5)[8978]: client: Determining IP
information for pan5...Firewall started
May 15 16:25:55 development dhclient: DHCPDISCOVER on pan5 to
255.255.255.255 port 67 interval 5
May 15 16:26:00 development dhclient: DHCPDISCOVER on pan5 to
255.255.255.255 port 67 interval 10
May 15 16:26:00 development kernel: pan5: no IPv6 routers present
May 15 16:26:04 development ntpd[9503]: Listening on interface #4 pan5,
fe80::40dc:87ff:fe4e:fd83#123 Enabled
May 15 16:26:10 development dhclient: DHCPDISCOVER on pan5 to
255.255.255.255 port 67 interval 8
May 15 16:26:18 development dhclient: DHCPDISCOVER on pan5 to
255.255.255.255 port 67 interval 8
May 15 16:26:26 development dhclient: DHCPDISCOVER on pan5 to
255.255.255.255 port 67 interval 10
May 15 16:26:36 development dhclient: DHCPDISCOVER on pan5 to
255.255.255.255 port 67 interval 11
May 15 16:26:47 development dhclient: DHCPDISCOVER on pan5 to
255.255.255.255 port 67 interval 7
May 15 16:26:54 development dhclient: DHCPDISCOVER on pan5 to
255.255.255.255 port 67 interval 2
May 15 16:26:56 development ifplugd(pan5)[8978]: client: failed.
May 15 16:26:56 development ifplugd(pan5)[8978]: Program execution
failed, return value is 1.
May 15 20:21:28 development kernel: pan0: Dropping NETIF_F_UFO since no
NETIF_F_HW_CSUM feature.
May 15 20:21:31 development kernel: udev: renamed network interface pan0
to pan6
May 15 20:21:31 development ifplugd(pan6)[6160]: ifplugd 0.28 initializing.
May 15 20:21:31 development ifplugd(pan6)[6160]: Using interface
pan6/F6:67:4A:A7:4F:8D with driver <bridge> (version: 2.3)
May 15 20:21:31 development ifplugd(pan6)[6160]: Using detection mode:
SIOCETHTOOL
May 15 20:21:31 development ifplugd(pan6)[6160]: Initialization
complete, link beat detected.
May 15 20:21:31 development ifplugd(pan6)[6160]: Executing
'/etc/ifplugd/ifplugd.action pan6 up'.
May 15 20:21:31 development avahi-daemon[5865]: Registering new address
record for fe80::f467:4aff:fea7:4f8d on pan6.*.
May 15 20:21:35 development ifplugd(pan6)[6160]: client: Determining IP
information for pan6...Firewall started
May 15 20:21:36 development dhclient: DHCPDISCOVER on pan6 to
255.255.255.255 port 67 interval 6
May 15 20:21:39 development kernel: pan6: no IPv6 routers present
May 15 20:21:42 development dhclient: DHCPDISCOVER on pan6 to
255.255.255.255 port 67 interval 14
May 15 20:21:43 development ntpd[6625]: Listening on interface #3 pan6,
fe80::f467:4aff:fea7:4f8d#123 Enabled
May 15 20:21:56 development dhclient: DHCPDISCOVER on pan6 to
255.255.255.255 port 67 interval 9
May 15 20:22:05 development dhclient: DHCPDISCOVER on pan6 to
255.255.255.255 port 67 interval 12
May 15 20:22:17 development dhclient: DHCPDISCOVER on pan6 to
255.255.255.255 port 67 interval 12
May 15 20:22:29 development dhclient: DHCPDISCOVER on pan6 to
255.255.255.255 port 67 interval 8
May 15 20:22:37 development ifplugd(pan6)[6160]: client: failed.
May 15 20:22:37 development ifplugd(pan6)[6160]: Program execution
failed, return value is 1.