This is en example of the error from one of the many test runs

FAIL: environ_whitebox_test.go:489: com_juju_juju_provider_maas.TestBootstrapSucceeds.pN47_github.com_juju_juju_provider_maas.environSuite

[LOG] 0:00.285 DEBUG juju.environs.tools reading v1.* tools
[LOG] 0:00.286 INFO juju.environs.testing uploading FAKE tools 1.21-alpha1-precise-ppc64el
[LOG] 0:00.288 INFO juju.environs.testing uploading FAKE tools 1.21-alpha1-trusty-ppc64el
[LOG] 0:00.290 DEBUG juju.environs.tools no architecture specified when finding tools, looking for any
[LOG] 0:00.290 DEBUG juju.environs.tools no series specified when finding tools, looking for any
[LOG] 0:00.291 DEBUG juju.environs.simplestreams fetchData failed for "tools/streams/v1/index.sjson": file 'dfb69555-0bc4-4d1f-85f2-4ee390974984-tools/streams/v1/index.sjson' not found not found
[LOG] 0:00.291 DEBUG juju.environs.simplestreams cannot load index "streams/v1/index.sjson": invalid URL "tools/streams/v1/index.sjson" not found
[LOG] 0:00.293 DEBUG juju.environs.simplestreams fetchData failed for "tools/streams/v1/index.json": file 'dfb69555-0bc4-4d1f-85f2-4ee390974984-tools/streams/v1/index.json' not found not found
[LOG] 0:00.293 DEBUG juju.environs.simplestreams cannot load index "streams/v1/index.json": invalid URL "tools/streams/v1/index.json" not found
[LOG] 0:00.294 INFO juju.environs.tools Writing tools/streams/v1/index.json
[LOG] 0:00.294 INFO juju.environs.tools Writing tools/streams/v1/com.ubuntu.juju:released:tools.json
[LOG] 0:00.564 INFO juju.network setting prefer-ipv6 to false
[LOG] 0:00.565 DEBUG juju.environs.bootstrap environment "test env" supports service/machine networks: true
[LOG] 0:00.565 INFO juju.environs.bootstrap bootstrapping environment "test env"
[LOG] 0:00.565 INFO juju.network setting prefer-ipv6 to false
[LOG] 0:00.565 DEBUG juju.environs.bootstrap looking for bootstrap tools: series="precise", arch=<nil>, version=<nil>
[LOG] 0:00.565 INFO juju.environs.tools reading tools with major.minor version 1.21
[LOG] 0:00.565 INFO juju.environs.tools filtering tools by series: precise
[LOG] 0:00.565 DEBUG juju.environs.tools no architecture specified when finding tools, looking for any
[LOG] 0:00.567 DEBUG juju.environs.simplestreams fetchData failed for "tools/streams/v1/index.sjson": file 'dfb69555-0bc4-4d1f-85f2-4ee390974984-tools/streams/v1/index.sjson' not found not found
[LOG] 0:00.567 DEBUG juju.environs.simplestreams cannot load index "streams/v1/index.sjson": invalid URL "tools/streams/v1/index.sjson" not found
[LOG] 0:00.571 DEBUG juju.environs.simplestreams fetchData failed for "tools/streams/v1/mirrors.json": file 'dfb69555-0bc4-4d1f-85f2-4ee390974984-tools/streams/v1/mirrors.json' not found not found
[LOG] 0:00.571 DEBUG juju.environs.simplestreams no mirror index file found
[LOG] 0:00.571 DEBUG juju.environs.simplestreams no mirror information available for { }: mirror data for "com.ubuntu.juju:released:tools" not found
[LOG] 0:00.571 DEBUG juju.environs.simplestreams read metadata index at "http://127.0.0.1:49666/maas/1.0/files/?op=get_by_key&key=dfb69555-0bc4-4d1f-85f2-4ee390974984-tools%2Fstreams%2Fv1%2Findex.json_key"
[LOG] 0:00.571 DEBUG juju.environs.simplestreams candidate matches for products ["com.ubuntu.juju:12.04:amd64" "com.ubuntu.juju:12.04:i386" "com.ubuntu.juju:12.04:armhf" "com.ubuntu.juju:12.04:arm64" "com.ubuntu.juju:12.04:ppc64el"] are [{Tue, 19 Aug 2014 13:17:35 +0000 products:1.0 content-download  [] streams/v1/com.ubuntu.juju:released:tools.json [com.ubuntu.juju:12.04:ppc64el com.ubuntu.juju:14.04:ppc64el]}]
[LOG] 0:00.571 DEBUG juju.environs.simplestreams finding products at path "streams/v1/com.ubuntu.juju:released:tools.json"
[LOG] 0:00.574 DEBUG juju.environs.simplestreams metadata: &{map[com.ubuntu.juju:14.04:ppc64el:{ 1.21-alpha1 ppc64el   map[20140819:0xc214593240]} com.ubuntu.juju:12.04:ppc64el:{ 1.21-alpha1 ppc64el   map[20140819:0xc2145930c0]}] map[] Tue, 19 Aug 2014 13:17:35 +0000 products:1.0 com.ubuntu.juju:released:tools  }
[LOG] 0:00.575 INFO juju.environs.bootstrap newest version: 1.21-alpha1
[LOG] 0:00.857 INFO juju.environs.bootstrap picked bootstrap tools version: 1.21-alpha1
[LOG] 0:00.857 DEBUG juju.provider.common generate a system ssh key
[LOG] 0:05.698 WARNING juju.provider.maas no architecture was specified, acquiring an arbitrary node
[LOG] 0:05.700 ERROR juju.provider.common bootstrap failed: cannot start bootstrap instance: no matching tools available
environ_whitebox_test.go:499:
    c.Assert(err, gc.IsNil)
... value *errors.errorString = &errors.errorString{s:"cannot start bootstrap instance: no matching tools available"} ("cannot start bootstrap instance: no matching tools available")


----------------------------------------------------------------------
FAIL: environ_whitebox_test.go:196: com_juju_juju_provider_maas.TestStartInstanceStartsInstance.pN47_github.com_juju_juju_provider_maas.environSuite

[LOG] 0:00.282 DEBUG juju.environs.tools reading v1.* tools
[LOG] 0:00.283 INFO juju.environs.testing uploading FAKE tools 1.21-alpha1-precise-ppc64el
[LOG] 0:00.285 INFO juju.environs.testing uploading FAKE tools 1.21-alpha1-trusty-ppc64el
[LOG] 0:00.286 DEBUG juju.environs.tools no architecture specified when finding tools, looking for any
[LOG] 0:00.286 DEBUG juju.environs.tools no series specified when finding tools, looking for any
[LOG] 0:00.288 DEBUG juju.environs.simplestreams fetchData failed for "tools/streams/v1/index.sjson": file 'dfb69555-0bc4-4d1f-85f2-4ee390974984-tools/streams/v1/index.sjson' not found not found
[LOG] 0:00.288 DEBUG juju.environs.simplestreams cannot load index "streams/v1/index.sjson": invalid URL "tools/streams/v1/index.sjson" not found
[LOG] 0:00.290 DEBUG juju.environs.simplestreams fetchData failed for "tools/streams/v1/index.json": file 'dfb69555-0bc4-4d1f-85f2-4ee390974984-tools/streams/v1/index.json' not found not found
[LOG] 0:00.290 DEBUG juju.environs.simplestreams cannot load index "streams/v1/index.json": invalid URL "tools/streams/v1/index.json" not found
[LOG] 0:00.291 INFO juju.environs.tools Writing tools/streams/v1/index.json
[LOG] 0:00.291 INFO juju.environs.tools Writing tools/streams/v1/com.ubuntu.juju:released:tools.json
[LOG] 0:00.548 INFO juju.network setting prefer-ipv6 to false
[LOG] 0:00.550 DEBUG juju.environs.bootstrap environment "test env" supports service/machine networks: true
[LOG] 0:00.550 INFO juju.environs.bootstrap bootstrapping environment "test env"
[LOG] 0:00.550 INFO juju.network setting prefer-ipv6 to false
[LOG] 0:00.550 DEBUG juju.environs.bootstrap looking for bootstrap tools: series="precise", arch=<nil>, version=<nil>
[LOG] 0:00.550 INFO juju.environs.tools reading tools with major.minor version 1.21
[LOG] 0:00.550 INFO juju.environs.tools filtering tools by series: precise
[LOG] 0:00.550 DEBUG juju.environs.tools no architecture specified when finding tools, looking for any
[LOG] 0:00.552 DEBUG juju.environs.simplestreams fetchData failed for "tools/streams/v1/index.sjson": file 'dfb69555-0bc4-4d1f-85f2-4ee390974984-tools/streams/v1/index.sjson' not found not found
[LOG] 0:00.552 DEBUG juju.environs.simplestreams cannot load index "streams/v1/index.sjson": invalid URL "tools/streams/v1/index.sjson" not found
[LOG] 0:00.555 DEBUG juju.environs.simplestreams fetchData failed for "tools/streams/v1/mirrors.json": file 'dfb69555-0bc4-4d1f-85f2-4ee390974984-tools/streams/v1/mirrors.json' not found not found
[LOG] 0:00.555 DEBUG juju.environs.simplestreams no mirror index file found
[LOG] 0:00.556 DEBUG juju.environs.simplestreams no mirror information available for { }: mirror data for "com.ubuntu.juju:released:tools" not found
[LOG] 0:00.556 DEBUG juju.environs.simplestreams read metadata index at "http://127.0.0.1:49666/maas/1.0/files/?op=get_by_key&key=dfb69555-0bc4-4d1f-85f2-4ee390974984-tools%2Fstreams%2Fv1%2Findex.json_key"
[LOG] 0:00.556 DEBUG juju.environs.simplestreams candidate matches for products ["com.ubuntu.juju:12.04:amd64" "com.ubuntu.juju:12.04:i386" "com.ubuntu.juju:12.04:armhf" "com.ubuntu.juju:12.04:arm64" "com.ubuntu.juju:12.04:ppc64el"] are [{Tue, 19 Aug 2014 13:17:48 +0000 products:1.0 content-download  [] streams/v1/com.ubuntu.juju:released:tools.json [com.ubuntu.juju:12.04:ppc64el com.ubuntu.juju:14.04:ppc64el]}]
[LOG] 0:00.556 DEBUG juju.environs.simplestreams finding products at path "streams/v1/com.ubuntu.juju:released:tools.json"
[LOG] 0:00.559 DEBUG juju.environs.simplestreams metadata: &{map[com.ubuntu.juju:14.04:ppc64el:{ 1.21-alpha1 ppc64el   map[20140819:0xc211de9540]} com.ubuntu.juju:12.04:ppc64el:{ 1.21-alpha1 ppc64el   map[20140819:0xc211de93c0]}] map[] Tue, 19 Aug 2014 13:17:48 +0000 products:1.0 com.ubuntu.juju:released:tools  }
[LOG] 0:00.560 INFO juju.environs.bootstrap newest version: 1.21-alpha1
[LOG] 0:00.840 INFO juju.environs.bootstrap picked bootstrap tools version: 1.21-alpha1
[LOG] 0:00.840 DEBUG juju.provider.common generate a system ssh key
[LOG] 0:05.007 WARNING juju.provider.maas no architecture was specified, acquiring an arbitrary node
[LOG] 0:05.008 ERROR juju.provider.common bootstrap failed: cannot start bootstrap instance: no matching tools available
environ_whitebox_test.go:207:
    c.Assert(err, gc.IsNil)
... value *errors.errorString = &errors.errorString{s:"cannot start bootstrap instance: no matching tools available"} ("cannot start bootstrap instance: no matching tools available")

OOPS: 92 passed, 2 FAILED
--- FAIL: TestMAAS (47.81 seconds)