Exact same problem as Jerry Lamos since Feisty. I'm now on Gutsy, hoping that it would solve my problem... but not yet.
Applet NetworkManager 0.6.4
/var/log/syslog
Jun 3 12:18:39 oli NetworkManager: <information>^Istarting...
Jun 3 12:18:39 oli NetworkManager: <information>^Ieth1: Driver 'ne2k-pci' does not support carrier detection. ^IYou must switch to it manually.
Jun 3 12:18:39 oli NetworkManager: <information>^Inm_device_init(): waiting for device's worker thread to start
Jun 3 12:18:39 oli NetworkManager: <information>^Inm_device_init(): device's worker thread started, continuing.
Jun 3 12:18:39 oli NetworkManager: <information>^INow managing wired Ethernet (802.3) device 'eth1'.
Jun 3 12:18:39 oli NetworkManager: <information>^IDeactivating device eth1.
/etc/network/interfaces
auto lo
iface lo inet loopback
Exact same problem as Jerry Lamos since Feisty. I'm now on Gutsy, hoping that it would solve my problem... but not yet.
Applet NetworkManager 0.6.4
/var/log/syslog ^Istarting. .. ^Ieth1: Driver 'ne2k-pci' does not support carrier detection. ^IYou must switch to it manually. ^Inm_device_ init(): waiting for device's worker thread to start ^Inm_device_ init(): device's worker thread started, continuing. ^IDeactivating device eth1.
Jun 3 12:18:39 oli NetworkManager: <information>
Jun 3 12:18:39 oli NetworkManager: <information>
Jun 3 12:18:39 oli NetworkManager: <information>
Jun 3 12:18:39 oli NetworkManager: <information>
Jun 3 12:18:39 oli NetworkManager: <information>^INow managing wired Ethernet (802.3) device 'eth1'.
Jun 3 12:18:39 oli NetworkManager: <information>
/etc/network/ interfaces
auto lo
iface lo inet loopback
auto eth1
iface eth1 inet dhcp