puzzled

0 > boot net:,yaboot
LOAD: Waiting 60 seconds for Spanning Tree
BOOTP R = 1 BOOTP S = 1
FILE: yaboot
Load Addr=0x4000 Max Size=0xbfc000
FINAL Packet Count = 339   Final File Size = 173402 bytes.

Adding OF methods...
    prom_init - OF interface initialized.
    yaboot_start - Malloc buffer allocated at 00300000 (1048576 bytes)
    yaboot_start - reloc_offset :  0         (should be 0)
    yaboot_start - test_bss     :  0         (should be 0)
    yaboot_start - test_data    :  0         (should be 0)
    yaboot_start - &test_data   :  00226870
    yaboot_start - &test_bss    :  0022687c
    yaboot_start - linked at    :  0x00200000
    yaboot_start - Running on _machine = 4
    yaboot_main - /chosen/bootpath = /pci@80000000/ethernet@c:,yaboot
    yaboot_main - After parse_device_path: dev=/pci@80000000/ethernet@c:, part=-1t    yaboot_main - After pmac path kludgeup: dev=/pci@80000000/ethernet@c:, part=-=    open_file - dev_path = /pci@80000000/ethernet@c:
file_name = /etc/yaboot.conf
partition = -1
    open_file - device is a network device
--> of_net_open
    of_net_open - dev=/pci@80000000/ethernet@c:, part=0x00000000 (-1), file_name=f    of_net_open - Opening: "/pci@80000000/ethernet@c:,\etc\yaboot.conf"
    of_net_open - file->of_device = 00f6b380
    of_net_open - TFP...

LOAD: Waiting 60 seconds for Spanning Tree