multiple proxies set for http_proxy

[dsschult]

2017/05/15 10:41:31.83 parrot_run[4182121] <child:4182134> notice: Disabling alien cache since it is mutually exclusive with quota limits.
Unknown repo option: quota_limit
Invalid CVMFS options: repo_name=icecube.opensciencegrid.org,timeout=3600,timeout_direct=3600,pubkey=/wntmp/condor/execute/dir_3842631/glide_XiAYyd/GLIDEIN_PARROT/tmpslot1_2/parrot-instance.iPp3kP/cvmfs_locks_39y78T/cvmfs/opensciencegri
d.org.pub,url=http://oasis-replica.opensciencegrid.org:8000/cvmfs/icecube;http://cvmfs.fnal.gov:8000/cvmfs/icecube;http://cvmfs.racf.bnl.gov:8000/cvmfs/icecube,quota_limit=4000,quota_threshold=2000,,proxies=10.3.11.62:3128;http://cache0
1.hep.wisc.edu:8001|http://cache02.hep.wisc.edu:8001.

Looks like a glidein landing on hep.wisc.edu (where http_proxy="http://cache0 1.hep.wisc.edu:8001|http://cache02.hep.wisc.edu:8001") fails.