Description of problem:
Running a xen kernel with xend results in AVC denials from ifup-eth0 trying to
write to dhclient-eth0.conf, when called from the xend scripts.

Version-Release number of selected component (if applicable):
selinux-policy-targeted-2.3.18-3
xen-3.0.2-42

How reproducible:
100%

Steps to Reproduce:
1. yum install xen kernel-xen
2. boot kernel-xen
  
Actual results:
audit(1160001299.098:8): avc:  denied  { write } for  pid=3303 comm="ifup-eth"
name="dhclient-eth0.conf" dev=dm-5 ino=802990
scontext=system_u:system_r:xend_t:s0 tcontext=system_u:object_r:dhcp_etc_t:s0
tclass=file
audit(1160001299.098:9): avc:  denied  { getattr } for  pid=3303 comm="ifup-eth"
name="dhclient-eth0.conf" dev=dm-5 ino=802990
scontext=system_u:system_r:xend_t:s0 tcontext=system_u:object_r:dhcp_etc_t:s0
tclass=file
audit(1160001299.098:10): avc:  denied  { append } for  pid=3303 comm="ifup-eth"
name="dhclient-eth0.conf" dev=dm-5 ino=802990
scontext=system_u:system_r:xend_t:s0 tcontext=system_u:object_r:dhcp_etc_t:s0
tclass=file

Expected results:
No errors.

Additional info