I'm getting this annoying messages, but the network is working without problems.... And I really don't know how to get rid of these "errors", please help me!

linuxfet.c : v4.04 01/10/2002
eth0: VIA VT6105 Rhine III Fast Ethernet Adapter
eth0: IO Address = 0x6200, MAC Address = 00:50:fc:c1:ac:70, IRQ = 11.
eth0: netdev_open() irq 11.
eth0: Autonegotiation result: 100Mbps full duplex mode.
eth0: Done netdev_open(), status 0c1a MII status: 786d.
via-rhine.c:v1.10-LK1.1.19 July-12-2003 Written by Donald Becker
PCI: Unable to reserve I/O region #1:100@6200 for device 00:0a.0
PCI: Unable to reserve I/O region #1:100@6200 for device 00:0a.0
via-rhine.c:v1.10-LK1.1.19 July-12-2003 Written by Donald Becker
PCI: Unable to reserve I/O region #1:100@6200 for device 00:0a.0
PCI: Unable to reserve I/O region #1:100@6200 for device 00:0a.0
via-rhine.c:v1.10-LK1.1.19 July-12-2003 Written by Donald Becker
PCI: Unable to reserve I/O region #1:100@6200 for device 00:0a.0
PCI: Unable to reserve I/O region #1:100@6200 for device 00:0a.0
via-rhine.c:v1.10-LK1.1.19 July-12-2003 Written by Donald Becker
PCI: Unable to reserve I/O region #1:100@6200 for device 00:0a.0
PCI: Unable to reserve I/O region #1:100@6200 for device 00:0a.0
via-rhine.c:v1.10-LK1.1.19 July-12-2003 Written by Donald Becker
PCI: Unable to reserve I/O region #1:100@6200 for device 00:0a.0
PCI: Unable to reserve I/O region #1:100@6200 for device 00:0a.0