SUBSYSTEM=="scsi", WAIT_FOR_SYSFS="ioerr_cnt"
# only needed for kernels < 2.6.16
SUBSYSTEM=="net", WAIT_FOR_SYSFS="address"
+# only needed for kernels < 2.6.17
+SUBSYSTEM=="net", ENV{PHYSDEVDRIVER}=="?*", WAIT_FOR_SYSFS="device/driver"
# default permissions for block devices
SUBSYSTEM=="block", GROUP="disk"