Can't connect on wired network - Bad file descriptor

Hi everybody...
I'm using wicd daemon and never had any trouble before... in fact, I can connect normally to other wired and wireless networks. But recently I stambled onto a network which I can connect on Windows normally, but on Arch, wicd log says the following:
2009/09/15 21:01:12 :: Putting interface down
2009/09/15 21:01:12 :: Releasing DHCP leases...
2009/09/15 21:01:12 :: Setting false IP...
2009/09/15 21:01:12 :: Flushing the routing table...
2009/09/15 21:01:12 :: Putting interface up...
2009/09/15 21:01:12 :: Running DHCP
2009/09/15 21:01:12 :: dhcpcd: version 5.0.7 starting
2009/09/15 21:01:12 ::
2009/09/15 21:01:12 :: dhcpcd: eth0: rebinding lease of 192.168.0.194
2009/09/15 21:01:12 ::
2009/09/15 21:01:22 :: dhcpcd: eth0: broadcasting for a lease
2009/09/15 21:01:22 ::
2009/09/15 21:01:23 :: dhcpcd: eth0: offered 172.16.1.196 from 172.16.1.254
2009/09/15 21:01:23 ::
2009/09/15 21:01:23 :: dhcpcd: eth0: acknowledged 172.16.1.196 from 172.16.1.254
2009/09/15 21:01:23 ::
2009/09/15 21:01:23 :: dhcpcd: eth0: checking for 172.16.1.196
2009/09/15 21:01:23 ::
2009/09/15 21:01:23 :: dhcpcd: eth0: hardware address 00:00:5a:72:ef:5f claims 172.16.1.196
2009/09/15 21:01:23 ::
2009/09/15 21:01:23 :: dhcpcd: eth0: send_raw_packet: Bad file descriptor
2009/09/15 21:01:23 ::
2009/09/15 21:01:33 :: dhcpcd: eth0: rebinding lease of 192.168.0.194
2009/09/15 21:01:33 ::
2009/09/15 21:01:42 :: dhcpcd: timed out
2009/09/15 21:01:42 ::
2009/09/15 21:01:42 :: DHCP connection failed
2009/09/15 21:01:42 :: exiting connection thread
2009/09/15 21:01:42 :: Sending connection attempt result dhcp_failed
I also tried to disable wicd and bring back the network daemon up, but I couldn't connect this way either. Any clues?
Thanks a lot!

I got the log from /var/log/everything... Here's what happens the I select the wired network on Wicd:
Sep 16 21:12:27 leandro dhcpcd: dhcpcd not running
Sep 16 21:12:28 leandro kernel: input: b43-phy0 as /devices/virtual/input/input14
Sep 16 21:12:28 leandro kernel: b43-phy0: Loading firmware version 410.2160 (2007-05-26 15:32:10)
Sep 16 21:12:28 leandro kernel: Registered led device: b43-phy0::radio
Sep 16 21:12:28 leandro kernel: ADDRCONF(NETDEV_UP): wlan0: link is not ready
Sep 16 21:12:28 leandro dhcpcd: dhcpcd not running
Sep 16 21:12:28 leandro kernel: eth0: link up, 100Mbps, full-duplex, lpa 0x41E1
Sep 16 21:12:28 leandro dhcpcd: version 5.0.7 starting
Sep 16 21:12:28 leandro dhcpcd: eth0: rebinding lease of 192.168.0.194
Sep 16 21:12:38 leandro dhcpcd: eth0: broadcasting for a lease
Sep 16 21:12:38 leandro dhcpcd: eth0: offered 172.16.1.196 from 172.16.1.254
Sep 16 21:12:38 leandro dhcpcd: eth0: acknowledged 172.16.1.196 from 172.16.1.254
Sep 16 21:12:38 leandro dhcpcd: eth0: checking for 172.16.1.196
Sep 16 21:12:39 leandro dhcpcd: eth0: hardware address 00:00:5a:72:ef:5f claims 172.16.1.196
Sep 16 21:12:39 leandro dhcpcd: eth0: send_raw_packet: Bad file descriptor
Sep 16 21:12:39 leandro kernel: eth0: no IPv6 routers present
Sep 16 21:12:49 leandro dhcpcd: eth0: rebinding lease of 192.168.0.194
Sep 16 21:12:58 leandro dhcpcd: timed out
Appreciate any help! I don't think this is a common problem because Google desn't return many results on "dhcpcd" and "bad file descriptor".
Thanks!

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Interface GUID: {********************}
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Network Adapter: Intel(R) 82579LM Gigabit Network Connection
Interface GUID: {******************************}
Peer Address: ************
Local Address: ************
Connection ID: 0x2
Identity: -
User: -
Domain: -
Reason: 0x70006
Reason Text: The network does not support authentication and 802.1X is enforced in the profile
Error Code: 0x0
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Network Adapter: Intel(R) 82579LM Gigabit Network Connection
Interface GUID: {*************************}
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