Hallo Mathieu Trudel-Lapierre,

the issue is indeed reproduceable with the live-CD environment of 
precice-alph2-kde-amd64.
A transcript of my test is given below.

cya,
Max


$ date
Wed Feb 29 18:05:52 CET 2012
$ wget 
http://cdimage.ubuntu.com/kubuntu/releases/precise/alpha-2/precise-desktop-amd64.iso
$ usb-creator-kde -n -i precise-desktop-amd64.iso


now booting from usb-drive, choosing 'Start Kubuntu' and 'Try Kubuntu'.

the 10.0.0.138 route is missing in routing table

# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         10.0.0.1        0.0.0.0         UG    0      0        0 eth0
10.0.0.0        0.0.0.0         255.255.255.0   U     1      0        0 eth0
169.254.0.0     0.0.0.0         255.255.0.0     U     1000   0        0 eth0
192.168.13.0    0.0.0.0         255.255.255.0   U     0      0        0 eth0

enabling debug-logs and looking at /var/log/syslog

# echo "[logging]" >> /etc/NetworkManager/NetworkManager.conf
# echo "level=DEBUG" >> /etc/NetworkManager/NetworkManager.conf
# service network-manager restart

Starting to inspect syslog and typing indicated commands in second
terminal

Now pulling the ethernet cable out of laptop

Feb 29 18:41:06 kubuntu NetworkManager[12033]: <debug> [1330540866.431678] 
[nm-netlink-monitor.c:163] link_msg_handler(): netlink link message: iface idx 
2 flags 0x1003
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <info> (eth0): carrier now OFF 
(device state 100, deferring action for 4 seconds)
Feb 29 18:41:06 kubuntu kernel: [ 1320.532417] e1000e: eth0 NIC Link is Down
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <debug> [1330540866.532971] 
[nm-udev-manager.c:690] handle_uevent(): UDEV event: action 'change' subsys 
'rfkill' device 'rfkill1'
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <debug> [1330540866.533155] 
[nm-udev-manager.c:249] recheck_killswitches(): WiFi rfkill state now 
'unblocked'
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <debug> [1330540866.533175] 
[nm-manager.c:1319] manager_rfkill_update_one_type(): WiFi hw-enabled 1 
sw-enabled 1
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <info> WiFi now enabled by radio 
killswitch
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <debug> [1330540866.533217] 
[nm-manager.c:1171] manager_update_radio_enabled(): (wlan0): setting radio 
enabled
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <debug> [1330540866.533227] 
[nm-device-wifi.c:3058] real_set_enabled(): (wlan0): device now enabled
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <info> (wlan0): bringing up 
device.
Feb 29 18:41:06 kubuntu kernel: [ 1320.634614] iwlwifi 0000:02:00.0: RF_KILL 
bit toggled to enable radio.
Feb 29 18:41:06 kubuntu kernel: [ 1320.635571] iwlwifi 0000:02:00.0: L1 
Disabled; Enabling L0S
Feb 29 18:41:06 kubuntu kernel: [ 1320.635952] iwlwifi 0000:02:00.0: Radio 
type=0x0-0x2-0x0
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <debug> [1330540866.586753] 
[nm-supplicant-manager.c:88] nm_supplicant_manager_iface_get(): (wlan0): 
creating new supplicant interface
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <debug> [1330540866.586944] 
[nm-supplicant-interface.c:692] interface_add(): (wlan0): adding interface to 
supplicant
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <debug> [1330540866.587250] 
[nm-device-wifi.c:3093] real_set_enabled(): (wlan0): enable waiting on 
supplicant state
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <debug> [1330540866.587441] 
[nm-netlink-monitor.c:163] link_msg_handler(): netlink link message: iface idx 
3 flags 0x1003
Feb 29 18:41:06 kubuntu kernel: [ 1320.688547] ADDRCONF(NETDEV_UP): wlan0: link 
is not ready
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <debug> [1330540866.610759] 
[nm-supplicant-interface.c:539] interface_add_done(): (wlan0): interface added 
to supplicant
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <info> (wlan0): supplicant 
interface state: starting -> ready
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <info> (wlan0): device state 
change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42]
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <info> (wlan0): supplicant 
interface state: ready -> inactive
Feb 29 18:41:06 kubuntu NetworkManager[12033]: <warn> Trying to remove a 
non-existant call id.
Feb 29 18:41:10 kubuntu NetworkManager[12033]: <info> (eth0): device state 
change: activated -> unavailable (reason 'carrier-changed') [100 20 40]
Feb 29 18:41:10 kubuntu NetworkManager[12033]: <info> (eth0): deactivating 
device (reason 'carrier-changed') [40]
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <info> (eth0): canceled DHCP 
transaction, DHCP client pid 12193
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.103938] 
[nm-device-ethernet.c:481] _set_hw_addr(): (eth0): no MAC address change needed
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104039] 
[nm-system.c:1159] nm_system_iface_flush_routes(): (eth0): flushing routes 
ifindex 2 family INET (2)
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104105] 
[nm-netlink-utils.c:317] dump_route():   route idx 2 family INET (2) addr 
0.0.0.0/0
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104114] 
[nm-system.c:1123] delete_one_route():    deleting route
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104158] 
[nm-netlink-utils.c:317] dump_route():   route idx 2 family INET (2) addr 
10.0.0.0/24
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104165] 
[nm-system.c:1123] delete_one_route():    deleting route
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104185] 
[nm-netlink-utils.c:317] dump_route():   route idx 2 family INET (2) addr 
169.254.0.0/16
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104192] 
[nm-system.c:1123] delete_one_route():    deleting route
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104223] 
[nm-netlink-utils.c:317] dump_route():   route idx 2 family INET (2) addr 
192.168.13.0/24
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104230] 
[nm-system.c:1123] delete_one_route():    deleting route
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104257] 
[nm-netlink-utils.c:317] dump_route():   route idx 2 family INET (2) addr 
10.0.0.0/32
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104264] 
[nm-system.c:1123] delete_one_route():    deleting route
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104352] 
[nm-netlink-utils.c:317] dump_route():   route idx 2 family INET (2) addr 
10.0.0.123/32
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104359] 
[nm-system.c:1123] delete_one_route():    deleting route
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104388] 
[nm-netlink-utils.c:317] dump_route():   route idx 2 family INET (2) addr 
10.0.0.255/32
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104395] 
[nm-system.c:1123] delete_one_route():    deleting route
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104422] 
[nm-netlink-utils.c:317] dump_route():   route idx 1 family INET (2) addr 
127.0.0.0/32
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104430] 
[nm-netlink-utils.c:317] dump_route():   route idx 1 family INET (2) addr 
127.0.0.0/8
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104437] 
[nm-netlink-utils.c:317] dump_route():   route idx 1 family INET (2) addr 
127.0.0.1/32
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104444] 
[nm-netlink-utils.c:317] dump_route():   route idx 1 family INET (2) addr 
127.255.255.255/32
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104507] 
[nm-system.c:190] sync_addresses(): (eth0): syncing addresses (family 2)
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104516] 
[nm-system.c:243] sync_addresses(): (eth0): removing address '10.0.0.123/24'
Feb 29 18:41:11 kubuntu avahi-daemon[1346]: Withdrawing address record for 
10.0.0.123 on eth0.
Feb 29 18:41:11 kubuntu avahi-daemon[1346]: Leaving mDNS multicast group on 
interface eth0.IPv4 with address 10.0.0.123.
Feb 29 18:41:11 kubuntu avahi-daemon[1346]: Interface eth0.IPv4 no longer 
relevant for mDNS.
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.104955] 
[nm-dns-manager.c:709] update_dns(): DNS: updating plugin dnsmasq
Feb 29 18:41:11 kubuntu dnsmasq[12196]: exiting on receipt of SIGTERM
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.105959] 
[nm-dns-dnsmasq.c:337] update(): dnsmasq local caching DNS configuration:
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.105973] 
[nm-dns-dnsmasq.c:338] update(): 
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <info> DNS: starting dnsmasq...
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.106091] 
[nm-dns-plugin.c:173] nm_dns_plugin_child_spawn(): DNS: command line: 
/usr/sbin/dnsmasq --no-resolv --keep-in-foreground --cache-size=0 
--bind-interfaces --pid-file=/var/run/nm-dns-dnsmasq.pid 
--listen-address=127.0.0.1 --conf-file=/var/run/nm-dns-dnsmasq.conf
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.108182] 
[nm-dns-plugin.c:182] nm_dns_plugin_child_spawn(): dnsmasq started with pid 
12284
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <info> (eth0): writing 
resolv.conf to /sbin/resolvconf
Feb 29 18:41:11 kubuntu dnsmasq[12284]: started, version 2.59 cache disabled
Feb 29 18:41:11 kubuntu dnsmasq[12284]: compile time options: IPv6 GNU-getopt 
DBus i18n DHCP TFTP conntrack IDN
Feb 29 18:41:11 kubuntu dnsmasq[12284]: warning: no upstream servers configured
Feb 29 18:41:11 kubuntu dnsmasq[12284]: read /etc/hosts - 8 addresses
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.192455] 
[nm-device.c:4163] nm_device_state_changed(): (eth0): device not yet available 
for transition to DISCONNECTED
Feb 29 18:41:11 kubuntu dbus[1262]: [system] Activating service 
name='org.freedesktop.nm_dispatcher' (using servicehelper)
Feb 29 18:41:11 kubuntu NetworkManager[12033]: <debug> [1330540871.201687] 
[nm-netlink-monitor.c:163] link_msg_handler(): netlink link message: iface idx 
3 flags 0x1003
Feb 29 18:41:11 kubuntu dbus[1262]: [system] Successfully activated service 
'org.freedesktop.nm_dispatcher'
Feb 29 18:41:12 kubuntu NetworkManager[12033]: <debug> [1330540872.899820] 
[nm-dns-plugin.c:208] ensure_killed(): waiting for dnsmasq pid 12196 to exit
Feb 29 18:41:12 kubuntu NetworkManager[12033]: <debug> [1330540872.900041] 
[nm-dns-plugin.c:210] ensure_killed(): dnsmasq pid 12196 cleaned up
Feb 29 18:41:31 kubuntu NetworkManager[12033]: <debug> [1330540891.278400] 
[nm-netlink-monitor.c:163] link_msg_handler(): netlink link message: iface idx 
3 flags 0x1003
Feb 29 18:42:01 kubuntu NetworkManager[12033]: <debug> [1330540921.303539] 
[nm-netlink-monitor.c:163] link_msg_handler(): netlink link message: iface idx 
3 flags 0x1003
Feb 29 18:42:41 kubuntu NetworkManager[12033]: <debug> [1330540961.294643] 
[nm-netlink-monitor.c:163] link_msg_handler(): netlink link message: iface idx 
3 flags 0x1003


Now plugging the ethernet cable back in

Feb 29 18:42:53 kubuntu kernel: [ 1427.283400] iwlwifi 0000:02:00.0: RF_KILL 
bit toggled to disable radio.
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.184130] 
[nm-udev-manager.c:690] handle_uevent(): UDEV event: action 'change' subsys 
'rfkill' device 'rfkill1'
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.184670] 
[nm-udev-manager.c:249] recheck_killswitches(): WiFi rfkill state now 
'hard-blocked'
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.184721] 
[nm-manager.c:1319] manager_rfkill_update_one_type(): WiFi hw-enabled 0 
sw-enabled 0
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> WiFi now disabled by 
radio killswitch
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.184820] 
[nm-manager.c:1171] manager_update_radio_enabled(): (wlan0): setting radio 
disabled
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.184843] 
[nm-device-wifi.c:3058] real_set_enabled(): (wlan0): device now disabled
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> (wlan0): device state 
change: disconnected -> unavailable (reason 'none') [30 20 0]
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> (wlan0): deactivating 
device (reason 'none') [0]
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.184965] 
[nm-device-wifi.c:859] _set_hw_addr(): (wlan0): no MAC address change needed
Feb 29 18:42:53 kubuntu kernel: [ 1427.285023] e1000e: eth0 NIC Link is Up 100 
Mbps Full Duplex, Flow Control: Rx/Tx
Feb 29 18:42:53 kubuntu kernel: [ 1427.285034] e1000e 0000:00:19.0: eth0: 
10/100 speed: disabling TSO
Feb 29 18:42:53 kubuntu kernel: [ 1427.296073] iwlwifi 0000:02:00.0: Not 
sending command - RF KILL
Feb 29 18:42:53 kubuntu kernel: [ 1427.296084] iwlwifi 0000:02:00.0: Error 
sending REPLY_RXON: enqueue_hcmd failed: -5
Feb 29 18:42:53 kubuntu kernel: [ 1427.296093] iwlwifi 0000:02:00.0: Error 
clearing ASSOC_MSK on BSS (-5)
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.197960] 
[nm-system.c:1159] nm_system_iface_flush_routes(): (wlan0): flushing routes 
ifindex 3 family INET (2)
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.198189] 
[nm-netlink-utils.c:317] dump_route():   route idx 1 family INET (2) addr 
127.0.0.0/32
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.198218] 
[nm-netlink-utils.c:317] dump_route():   route idx 1 family INET (2) addr 
127.0.0.0/8
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.198239] 
[nm-netlink-utils.c:317] dump_route():   route idx 1 family INET (2) addr 
127.0.0.1/32
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.198261] 
[nm-netlink-utils.c:317] dump_route():   route idx 1 family INET (2) addr 
127.255.255.255/32
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.198475] 
[nm-system.c:190] sync_addresses(): (wlan0): syncing addresses (family 2)
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.201380] 
[nm-device-wifi.c:1235] real_is_available(): (wlan0): not available because not 
enabled
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.201526] 
[nm-device.c:4163] nm_device_state_changed(): (wlan0): device not yet available 
for transition to DISCONNECTED
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.201855] 
[nm-netlink-monitor.c:163] link_msg_handler(): netlink link message: iface idx 
3 flags 0x1002
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.201985] 
[nm-netlink-monitor.c:163] link_msg_handler(): netlink link message: iface idx 
2 flags 0x11043
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> (eth0): carrier now ON 
(device state 20)
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> (eth0): device state 
change: unavailable -> disconnected (reason 'carrier-changed') [20 30 40]
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Auto-activating 
connection 'Wired connection 1'.
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Activation (eth0) 
starting connection 'Wired connection 1'
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> (eth0): device state 
change: disconnected -> prepare (reason 'none') [30 40 0]
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Activation (eth0) Stage 1 
of 5 (Device Prepare) scheduled...
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Activation (eth0) Stage 1 
of 5 (Device Prepare) started...
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Activation (eth0) Stage 2 
of 5 (Device Configure) scheduled...
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Activation (eth0) Stage 1 
of 5 (Device Prepare) complete.
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Activation (eth0) Stage 2 
of 5 (Device Configure) starting...
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> (eth0): device state 
change: prepare -> config (reason 'none') [40 50 0]
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Activation (eth0) Stage 2 
of 5 (Device Configure) successful.
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Activation (eth0) Stage 3 
of 5 (IP Configure Start) scheduled.
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Activation (eth0) Stage 2 
of 5 (Device Configure) complete.
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Activation (eth0) Stage 3 
of 5 (IP Configure Start) started...
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> (eth0): device state 
change: config -> ip-config (reason 'none') [50 70 0]
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Activation (eth0) 
Beginning DHCPv4 transaction (timeout in 45 seconds)
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.205705] 
[nm-dhcp-dhclient.c:729] dhclient_start(): running: /sbin/dhclient -d -4 -sf 
/usr/lib/NetworkManager/nm-dhcp-client.action -pf /var/run/dhclient-eth0.pid 
-lf /var/lib/dhcp/dhclient-7e7e0e29-0820-4827-a3e7-64d9a16476f1-eth0.lease -cf 
/var/run/nm-dhclient-eth0.conf eth0
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> dhclient started with pid 
12362
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Activation (eth0) Stage 3 
of 5 (IP Configure Start) complete.
Feb 29 18:42:53 kubuntu dhclient: Internet Systems Consortium DHCP Client 
4.1.1-P1
Feb 29 18:42:53 kubuntu dhclient: Copyright 2004-2010 Internet Systems 
Consortium.
Feb 29 18:42:53 kubuntu dhclient: All rights reserved.
Feb 29 18:42:53 kubuntu dhclient: For info, please visit 
https://www.isc.org/software/dhcp/
Feb 29 18:42:53 kubuntu dhclient: 
Feb 29 18:42:53 kubuntu dhclient: parse_option_param: Bad format a
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> (eth0): DHCPv4 state 
changed nbi -> preinit
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.227649] 
[nm-device.c:1445] dhcp4_state_changed(): (eth0): new DHCPv4 client state 1
Feb 29 18:42:53 kubuntu dhclient: Listening on LPF/eth0/f4:ce:46:97:49:e5
Feb 29 18:42:53 kubuntu dhclient: Sending on   LPF/eth0/f4:ce:46:97:49:e5
Feb 29 18:42:53 kubuntu dhclient: Sending on   Socket/fallback
Feb 29 18:42:53 kubuntu dhclient: DHCPREQUEST of 10.0.0.123 on eth0 to 
255.255.255.255 port 67
Feb 29 18:42:53 kubuntu dhclient: DHCPACK of 10.0.0.123 from 10.0.0.2
Feb 29 18:42:53 kubuntu dhclient: bound to 10.0.0.123 -- renewal in 2147483648 
seconds.
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> (eth0): DHCPv4 state 
changed preinit -> reboot
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.244359] 
[nm-device.c:1445] dhcp4_state_changed(): (eth0): new DHCPv4 client state 8
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info>   address 10.0.0.123
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info>   prefix 24 
(255.255.255.0)
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info>   classless static route 
10.0.0.138/32 gw 10.0.0.2
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info>   classless static route 
10.0.0.0/24 gw 0.0.0.0
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info>   classless static route 
192.168.13.0/24 gw 0.0.0.0
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info>   gateway 10.0.0.1
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info>   hostname 'well'
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info>   nameserver '10.0.0.1'
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info>   nameserver 
'195.34.133.21'
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info>   nameserver '8.8.8.8'
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info>   domain name 
'local.qyanu.net'
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.244619] 
[nm-firewall-manager.c:96] nm_firewall_manager_add_to_zone(): (eth0) firewall 
zone change skipped (not running)
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Activation (eth0) Stage 5 
of 5 (IPv4 Configure Commit) scheduled...
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <info> Activation (eth0) Stage 5 
of 5 (IPv4 Commit) started...
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.245267] 
[nm-system.c:190] sync_addresses(): (eth0): syncing addresses (family 2)
Feb 29 18:42:53 kubuntu NetworkManager[12033]: <debug> [1330540973.245321] 
[nm-system.c:276] sync_addresses(): (eth0): adding address '10.0.0.123/0'
Feb 29 18:42:53 kubuntu avahi-daemon[1346]: Joining mDNS multicast group on 
interface eth0.IPv4 with address 10.0.0.123.
Feb 29 18:42:53 kubuntu avahi-daemon[1346]: New relevant interface eth0.IPv4 
for mDNS.
Feb 29 18:42:53 kubuntu avahi-daemon[1346]: Registering new address record for 
10.0.0.123 on eth0.IPv4.
Feb 29 18:42:54 kubuntu NetworkManager[12033]: <debug> [1330540974.246824] 
[nm-netlink-utils.c:317] dump_route():   route idx 2 family INET (2) addr 
10.0.0.0/24
Feb 29 18:42:54 kubuntu NetworkManager[12033]: <debug> [1330540974.247085] 
[nm-dns-manager.c:709] update_dns(): DNS: updating plugin dnsmasq
Feb 29 18:42:54 kubuntu dnsmasq[12284]: exiting on receipt of SIGTERM
Feb 29 18:42:54 kubuntu NetworkManager[12033]: <debug> [1330540974.247416] 
[nm-dns-dnsmasq.c:337] update(): dnsmasq local caching DNS configuration:
Feb 29 18:42:54 kubuntu NetworkManager[12033]: <debug> [1330540974.247448] 
[nm-dns-dnsmasq.c:338] update(): 
server=10.0.0.1#012server=195.34.133.21#012server=8.8.8.8
Feb 29 18:42:54 kubuntu NetworkManager[12033]: <info> DNS: starting dnsmasq...
Feb 29 18:42:54 kubuntu NetworkManager[12033]: <debug> [1330540974.247585] 
[nm-dns-plugin.c:173] nm_dns_plugin_child_spawn(): DNS: command line: 
/usr/sbin/dnsmasq --no-resolv --keep-in-foreground --cache-size=0 
--bind-interfaces --pid-file=/var/run/nm-dns-dnsmasq.pid 
--listen-address=127.0.0.1 --conf-file=/var/run/nm-dns-dnsmasq.conf
Feb 29 18:42:54 kubuntu NetworkManager[12033]: <debug> [1330540974.250662] 
[nm-dns-plugin.c:182] nm_dns_plugin_child_spawn(): dnsmasq started with pid 
12366
Feb 29 18:42:54 kubuntu NetworkManager[12033]: <info> (eth0): writing 
resolv.conf to /sbin/resolvconf
Feb 29 18:42:54 kubuntu dnsmasq[12366]: started, version 2.59 cache disabled
Feb 29 18:42:54 kubuntu dnsmasq[12366]: compile time options: IPv6 GNU-getopt 
DBus i18n DHCP TFTP conntrack IDN
Feb 29 18:42:54 kubuntu dnsmasq[12366]: using nameserver 8.8.8.8#53
Feb 29 18:42:54 kubuntu dnsmasq[12366]: using nameserver 195.34.133.21#53
Feb 29 18:42:54 kubuntu dnsmasq[12366]: using nameserver 10.0.0.1#53
Feb 29 18:42:54 kubuntu dnsmasq[12366]: read /etc/hosts - 8 addresses
Feb 29 18:42:54 kubuntu NetworkManager[12033]: <info> (eth0): device state 
change: ip-config -> activated (reason 'none') [70 100 0]
Feb 29 18:42:54 kubuntu NetworkManager[12033]: <info> Policy set 'Wired 
connection 1' (eth0) as default for IPv4 routing and DNS.
Feb 29 18:42:54 kubuntu NetworkManager[12033]: <info> Activation (eth0) 
successful, device activated.
Feb 29 18:42:54 kubuntu NetworkManager[12033]: <info> Activation (eth0) Stage 5 
of 5 (IPv4 Commit) complete.
Feb 29 18:42:54 kubuntu dbus[1262]: [system] Activating service 
name='org.freedesktop.nm_dispatcher' (using servicehelper)
Feb 29 18:42:54 kubuntu dbus[1262]: [system] Successfully activated service 
'org.freedesktop.nm_dispatcher'
Feb 29 18:42:56 kubuntu NetworkManager[12033]: <debug> [1330540976.900902] 
[nm-dns-plugin.c:208] ensure_killed(): waiting for dnsmasq pid 12284 to exit
Feb 29 18:42:56 kubuntu NetworkManager[12033]: <debug> [1330540976.901419] 
[nm-dns-plugin.c:210] ensure_killed(): dnsmasq pid 12284 cleaned up


routing table is missing host route to 10.0.0.138

# ip route list
default via 10.0.0.1 dev eth0  proto static 
10.0.0.0/24 dev eth0  proto kernel  scope link  src 10.0.0.123  metric 1 
169.254.0.0/16 dev eth0  scope link  metric 1000 
192.168.13.0/24 dev eth0  proto static 


I would have expected something like this to be in the routing table

# ip route add 10.0.0.138/32 via 10.0.0.2
# ip route list
default via 10.0.0.1 dev eth0  proto static 
10.0.0.0/24 dev eth0  proto kernel  scope link  src 10.0.0.123  metric 1 
10.0.0.138 via 10.0.0.2 dev eth0 
169.254.0.0/16 dev eth0  scope link  metric 1000 
192.168.13.0/24 dev eth0  proto static

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https://bugs.launchpad.net/bugs/932703

Title:
  network manager does not correctly honor RFC3442 (classless static
  route option for dhcpv4)

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