Just built and installed from netbsd-3 synched last night. I'm glad to
say that it seems to be working fine. And I have my axe based usb
ethernet adapter working. Here's the dmesg on my mobilepro 880:

> dmesg
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 3.0_RC1 (GENERIC) #0: Thu Nov 24 03:36:05 MST 2005
        root@foghorn:/usr/obj-hpcmips-r3/sys/arch/hpcmips/compile/GENERIC
NEC MobilePro 880 (NEC VR4121 rev1.2 168.521MHz)
total memory =3D 32768 KB
avail memory =3D 24668 KB
mainbus0 (root)
cpu0 at mainbus0: NEC VR4100 CPU (0xc60) Rev. 6.0 with software
emulated floating point
cpu0: 16KB/16B direct-mapped L1 Instruction cache, 32 TLB entries
cpu0: 8KB/16B direct-mapped write-back L1 Data cache
vr4102ip0 at mainbus0
vrbcu0 at vr4102ip0 addr 0x0b000000-001f
vrbcu0: CPU 168.521MHz, bus 28.086MHz, ram 56.173MHz
vrcmu0 at vr4102ip0 addr 0x0b000060-007f
vrgiu0 at vr4102ip0 addr 0x0b000100-011f
hpcioman9 at vrgiu0
hpcin0 at hpcioman9 iochip vrgiu0, port 13, type 5, id 256, interrupt level=
 low
button1 at vrgiu0 port=3D3 id=3D13 active=3Dhigh sense=3Dedge
pwctl0 at vrgiu0 port=3D46 id=3D0 on=3D1
vrdmaau0 at vr4102ip0 addr 0x0b000020-0037
vrdcu0 at vr4102ip0 addr 0x0b000040-004b
vrrtc0 at vr4102ip0 addr 0x0b0000c0-00df
vrkiu0 at vr4102ip0 addr 0x0b000180-019f
hpckbd0 at vrkiu0
wskbd0 at hpckbd0: console keyboard
vrpmu0 at vr4102ip0 addr 0x0b0000a0-00bf
vrdsu0 at vr4102ip0 addr 0x0b0000e0-00e7
vrled0 at vr4102ip0 addr 0x0b000240-024f
vrpiu0 at vr4102ip0 addr 0x0b000120-013f, 0x0b0002a0-02bf
wsmouse0 at vrpiu0 mux 0
mqvideo0 at vr4102ip0 addr 0x0a000000-7fffff: MQ200 Rev.00 video
controller, console
mqvideo0: framebuffer address: 0xaa0ea600
  PLL1: 49.989MHz(0x0eb22a2a, 12.288MHzx179/ 44)
  PLL2: disable
  PLL3: 34.368MHz(0x00b20730, 12.288MHzx179/ 64)
   MEM: 49.989MHz(PLL1)
    GE: 34.368MHz(PLL3)
   GC1: disable
   GC2: 34.368MHz(PLL3/1/1), FP
hpcfb0 at mqvideo0: 800x600 pixels, 65536 colors, 100x60 chars
wsdisplay0 at hpcfb0 kbdmux 1: console (std, vt100 emulation), using wskbd0
wsmux1: connecting to wsdisplay0
vrc4172pci0 at vr4102ip0 addr 0x0aff0cf8-0cff
pci0 at vrc4172pci0 bus 0
pci0: i/o space, memory space enabled, rd/line ok
NEC product 0x0000 (host bridge, revision 0x03) at pci0 dev 0 function
0 not configured
ohci0 at pci0 dev 0 function 1: NEC product 0x0000 (rev. 0x00)
ohci0: interrupting at pciintr 0:0:1
ohci0: OHCI version 1.0
usb0 at ohci0: USB revision 1.0
uhub0 at usb0
uhub0: NEC OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
vrc4172pwm0 at vr4102ip0 addr 0x15003880-3885
vraiu0 at vr4102ip0 addr 0x0b000160-017f
audio0 at vraiu0: half duplex
vrisab0 at vrgiu0: ISA port 0x14000000-0x18000000 mem 0x10000000-0x14000000
isa0 at vrisab0
pcic0 at isa0 port 0x3e0-0x3e1 iomem 0x70000-0x73fff irq 589827
pcic0: controller 0 (Ricoh RF5C396) has sockets A and B
pcmcia0 at pcic0 controller 0 socket 0
pcmcia1 at pcic0 controller 0 socket 1
btnmgr0 at mainbus0
wskbd1 at btnmgr0 mux 1
wskbd1: connecting to wsdisplay0
hpcapm0 at mainbus0: pseudo power management module
apmdev0 at hpcapm0: Power Management spec V1.2
pcic0: using irq 589827 for socket events
wdc1 at pcmcia0 function 0: < LEXAR ATA FLASH CARD    ,  STORM , TTE01>
pcic0: port 0x14000400-0x1400040f
wdc1: i/o mapped mode
pcmcia0: card irq 3
atabus0 at wdc1 channel 0
wd0 at atabus0 drive 0: <LEXAR ATA FLASH>
wd0: drive supports 16-sector PIO transfers, LBA addressing
wd0: 983 MB, 1999 cyl, 16 head, 63 sec, 512 bytes/sect x 2014992 sectors
wd0: drive supports PIO mode 4
axe0 at uhub0 port 1 configuration 1 interface 0
axe0: vendor 0x077b product 0x2226, rev 2.00/0.01, addr 2
axe0: Ethernet address 00:10:60:XX:XX:XX
ukphy0 at axe0 phy 3: Generic IEEE 802.3u media interface
ukphy0: OUI 0x000004, model 0x0020, rev. 1
ukphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
boot device: wd0
root on wd0a dumps on wd0b
pcmcia0: card irq 3
pcmcia0: card irq 3
root file system type: ffs