My modprobe.conf is shown below. I have been able to bond eth2 and eth4 but
can not get eth0 and eth3 to bond. I have tried lots of things, but the
device never shows up.

Last I tried was example from

Any clues, I am running

Linux emperor 2.6.9-22.ELsmp #1 SMP Mon Sep 19 18:00:54 EDT 2005 x86_64
x86_64 x86_64 GNU/Linux

alias eth0 tg3
alias eth1 tg3
alias eth2 e1000
alias eth3 e1000
alias eth4 e1000
alias scsi_hostadapter aacraid
alias usb-controller ohci-hcd
alias bond0 bonding
options bond0 mode=balance-alb miimon=100 max_bonds=2
alias bond1 bonding
options bond1 mode=balance-alb miimon=50