ne0: can't map i/o space

What can I do about that? (Never seen it before)

pci0 at mainbus0 bus 0: configuration mode 1
pci0: i/o space, memory space enabled
ppb0 at pci0 dev 1 function 0: Intel product 0x1a31 (rev. 0x03)
pci1 at ppb0 bus 1
pci1: i/o space, memory space enabled
ppb1 at pci0 dev 30 function 0: Intel 82801BA Hub-to-PCI Bridge (rev. 0x12)
pci2 at ppb1 bus 2
pci2: i/o space, memory space enabled
ne0 at pci2 dev 11 function 0: RealTek 8029 Ethernet
ne0: can't map i/o space

that's a lot of bridges... source from today, but saw same with 1.5S kernel.

Cheers,

Patrick