Uuid is not unique on Linux

[vhvb1989]

Tests have failed on linux:
https://dev.azure.com/azure-sdk/public/_build/results?buildId=841074&view=logs&jobId=fda9a6e2-14f0-5864-d894-5f56622f20fa&j=fda9a6e2-14f0-5864-d894-5f56622f20fa&t=4d31d3ea-4e03-5255-0249-577ed0f8d090

https://dev.azure.com/azure-sdk/public/_build/results?buildId=834364&view=logs&jobId=fda9a6e2-14f0-5864-d894-5f56622f20fa&j=fda9a6e2-14f0-5864-d894-5f56622f20fa&t=4d31d3ea-4e03-5255-0249-577ed0f8d090&s=ff05ad62-bb9a-53b6-ce9f-72f329a63e7c

[ahsonkhan]

We should investigate this further for the May milestone. @RickWinter - labelling it higher priority to help with the triaging.

[ahsonkhan]

Failed again here, from an unrelated PR: #2132
https://dev.azure.com/azure-sdk/public/_build/results?buildId=848076&view=logs&j=fda9a6e2-14f0-5864-d894-5f56622f20fa&t=1c480a24-f5ee-59f2-3e43-433898827192
https://dev.azure.com/azure-sdk/public/_build/results?buildId=848076&view=logs&j=fda9a6e2-14f0-5864-d894-5f56622f20fa&t=1c480a24-f5ee-59f2-3e43-433898827192&s=ff05ad62-bb9a-53b6-ce9f-72f329a63e7c

2021-04-16T21:50:02.4258484Z 166: [ RUN      ] Uuid.Randomness
2021-04-16T21:50:02.4259427Z 166: /mnt/vss/_work/1/s/sdk/core/azure-core/test/ut/uuid.cpp:26: Failure
2021-04-16T21:50:02.4260121Z 166: Value of: ret.second
2021-04-16T21:50:02.4260643Z 166:   Actual: false
2021-04-16T21:50:02.4261122Z 166: Expected: true
2021-04-16T21:50:02.4262078Z 166: /mnt/vss/_work/1/s/sdk/core/azure-core/test/ut/uuid.cpp:26: Failure
2021-04-16T21:50:02.4262740Z 166: Value of: ret.second
2021-04-16T21:50:02.4263277Z 166:   Actual: false
2021-04-16T21:50:02.4263767Z 166: Expected: true
2021-04-16T21:50:02.4264701Z 166: /mnt/vss/_work/1/s/sdk/core/azure-core/test/ut/uuid.cpp:26: Failure
2021-04-16T21:50:02.4265368Z 166: Value of: ret.second
2021-04-16T21:50:02.4265908Z 166:   Actual: false
2021-04-16T21:50:02.4266300Z 166: Expected: true
...
2021-04-16T21:50:41.1574129Z 166: /mnt/vss/_work/1/s/sdk/core/azure-core/test/ut/uuid.cpp:26: Failure
2021-04-16T21:50:41.1577359Z 166: Value of: ret.second
2021-04-16T21:50:41.1578050Z 166:   Actual: false
2021-04-16T21:50:41.1578651Z 166: Expected: true
2021-04-16T21:50:41.1579638Z 166: /mnt/vss/_work/1/s/sdk/core/azure-core/test/ut/uuid.cpp:26: Failure
2021-04-16T21:50:41.1582760Z 166: Value of: ret.second
2021-04-16T21:50:41.1583426Z 166:   Actual: false
2021-04-16T21:50:41.1584018Z 166: Expected: true
2021-04-16T21:50:41.1587744Z 166: /mnt/vss/_work/1/s/sdk/core/azure-core/test/ut/uuid.cpp:26: Failure
2021-04-16T21:50:41.1588610Z 166: Value of: ret.second
2021-04-16T21:50:41.1589199Z 166:   Actual: false
2021-04-16T21:50:41.1591991Z 166: Expected: true
2021-04-16T21:50:41.1593210Z 166: /mnt/vss/_work/1/s/sdk/core/azure-core/test/ut/uuid.cpp:26: Failure
2021-04-16T21:50:41.1593985Z 166: Value of: ret.second
2021-04-16T21:50:41.1596701Z 166:   Actual: false
2021-04-16T21:50:41.1597339Z 166: Expected: true
2021-04-16T21:50:41.1598353Z 166: /mnt/vss/_work/1/s/sdk/core/azure-core/test/ut/uuid.cpp:26: Failure
2021-04-16T21:50:41.1601497Z 166: Value of: ret.second
2021-04-16T21:50:41.1605657Z 166:   Actual: false
2021-04-16T21:50:41.1606287Z 166: Expected: true
2021-04-16T21:50:41.1608708Z 166: /mnt/vss/_work/1/s/sdk/core/azure-core/test/ut/uuid.cpp:26: Failure
2021-04-16T21:50:41.1610893Z 166: Value of: ret.second
2021-04-16T21:50:41.1611705Z 166:   Actual: false
2021-04-16T21:50:41.1613628Z 166: Expected: true
2021-04-16T21:50:41.1614697Z 166: /mnt/vss/_work/1/s/sdk/core/azure-core/test/ut/uuid.cpp:28: Failure
2021-04-16T21:50:41.1617439Z 166: Value of: uuids.size() == size
2021-04-16T21:50:41.1618285Z 166:   Actual: false
2021-04-16T21:50:41.1620532Z 166: Expected: true
2021-04-16T21:50:41.1621217Z 166: [  FAILED  ] Uuid.Randomness (10049 ms)
2021-04-16T21:50:41.1623555Z 166: [----------] 1 test from Uuid (10050 ms total)
2021-04-16T21:50:41.1625555Z 166: 
2021-04-16T21:50:41.1626617Z 166: [----------] Global test environment tear-down
2021-04-16T21:50:41.1629636Z 166: [==========] 1 test from 1 test suite ran. (10050 ms total)
2021-04-16T21:50:41.1630391Z 166: [  PASSED  ] 0 tests.
2021-04-16T21:50:41.1631084Z 166: [  FAILED  ] 1 test, listed below:
2021-04-16T21:50:41.1633723Z 166: [  FAILED  ] Uuid.Randomness
2021-04-16T21:50:41.1634399Z 166: 
2021-04-16T21:50:41.1634918Z 166:  1 FAILED TEST

2021-04-16T21:50:01.9149719Z 132: [ RUN      ] RequestIdPolicy.Unique
2021-04-16T21:50:01.9150696Z 132: /mnt/vss/_work/1/s/sdk/core/azure-core/test/ut/request_id_policy.cpp:93: Failure
2021-04-16T21:50:01.9152294Z 132: Expected: (guid1) != (guid2), actual: "ffffffff-ffff-4fff-7fff-ffffffffffff" vs "ffffffff-ffff-4fff-7fff-ffffffffffff"
2021-04-16T21:50:01.9153246Z 132: [  FAILED  ] RequestIdPolicy.Unique (0 ms)
2021-04-16T21:50:01.9154067Z 132: [----------] 1 test from RequestIdPolicy (0 ms total)
2021-04-16T21:50:01.9154618Z 132: 
2021-04-16T21:50:01.9155308Z 132: [----------] Global test environment tear-down
2021-04-16T21:50:01.9155951Z 132: [==========] 1 test from 1 test suite ran. (0 ms total)
2021-04-16T21:50:01.9156514Z 132: [  PASSED  ] 0 tests.
2021-04-16T21:50:01.9157022Z 132: [  FAILED  ] 1 test, listed below:
2021-04-16T21:50:01.9157598Z 132: [  FAILED  ] RequestIdPolicy.Unique