Eth1 problems again

[Timothy Murphy]

david walcroft wrote:
 
>>> Can someone tell how to get over this error please
>>>
>>> [david at reddwarf ~]$ sudo service network restart
>>> Shutting down interface eth0:                              [  OK  ]
>>> Shutting down interface eth1:                              [  OK  ]
>>> Shutting down loopback interface:                          [  OK  ]
>>> Disabling IPv4 packet forwarding:  net.ipv4.ip_forward = 0
>>>                                                            [  OK  ]
>>> SIOCGIFFLAGS: No such device
>>> Bringing up loopback interface:                            [  OK  ]
>>> Bringing up interface eth0:
>>> Determining IP information for eth0... done.
>>>                                                            [  OK  ]
>>> Bringing up interface eth1:  sysfs class device: Permission denied
>>> Error, some other host already uses address 192.168.0.1.

How do eth0 and eth1 get their IP addresses?
>From dhcp?

What does "ifconfig eth1" say?
What does "route" say?
What is in /etc/sysconfig/network-scripts/ifcfg-eth1?