Prefer IPv6 in hostname resolving.

[RenxuanW]

20220729-030411-renxuan-7e4281256c2c161d compressed=True data_size=35236790 fail_fast=10 max_runs=100000 priority=100 sanity=False submitted=20220729-030411 timeout=5400 username=renxuan

Code-Reviewer Section

The general guidelines can be found here.

Please check each of the following things and check all boxes before accepting a PR.

• The PR has a description, explaining both the problem and the solution.
• The description mentions which forms of testing were done and the testing seems reasonable.
• Every function/class/actor that was touched is reasonably well documented.

For Release-Branches

If this PR is made against a release-branch, please also check the following:

• This change/bugfix is a cherry-pick from the next younger branch (younger release-branch or main if this is the youngest branch)
• There is a good reason why this PR needs to go into a release branch and this reason is documented (either in the description above or in a linked GitHub issue)

[fdb-windows-ci]

Doxense CI Report for Windows 10

• Commit ID: 316ea60
• Result: ✔️ SUCCEEDED
• Build Logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr-macos on macOS BigSur 11.5.2

• Commit ID: 8cd9098
• Duration 0:49:48
• Result: ✅ SUCCEEDED
• Error: N/A
• Build Logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr on Linux CentOS 7

• Commit ID: 8cd9098
• Duration 1:10:50
• Result: ✅ SUCCEEDED
• Error: N/A
• Build Logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr-cluster-tests on Linux CentOS 7

• Commit ID: 8cd9098
• Duration 1:44:05
• Result: ✅ SUCCEEDED
• Error: N/A
• Build Logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr-cluster-tests on Linux CentOS 7

• Commit ID: 316ea60
• Duration 1:50:30
• Result: ✅ SUCCEEDED
• Error: N/A
• Build Logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr on Linux CentOS 7

• Commit ID: 316ea60
• Duration 1:04:29
• Result: ✅ SUCCEEDED
• Error: N/A
• Build Logs (available for 30 days)

[fdb-windows-ci]

Doxense CI Report for Windows 10

• Commit ID: ad39960
• Result: ✔️ SUCCEEDED
• Build Logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr-cluster-tests on Linux CentOS 7

• Commit ID: 22c931d
• Duration 0:10:00
• Result: ❌ FAILED
• Error: reference not found for primary source and source version 22c931d74a6610af26781462828eb8b25cd7d07d
• Build Logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr-macos on macOS BigSur 11.5.2

• Commit ID: 22c931d
• Duration 0:10:21
• Result: ❌ FAILED
• Error: reference not found for primary source and source version 22c931d74a6610af26781462828eb8b25cd7d07d
• Build Logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr on Linux CentOS 7

• Commit ID: 22c931d
• Duration 0:11:22
• Result: ❌ FAILED
• Error: reference not found for primary source and source version 22c931d74a6610af26781462828eb8b25cd7d07d
• Build Logs (available for 30 days)

[fdb-windows-ci]

Doxense CI Report for Windows 10

• Commit ID: 4a0bea2
• Result: ✔️ SUCCEEDED
• Build Logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr on Linux CentOS 7

• Commit ID: 4a0bea2
• Duration 1:04:52
• Result: ✅ SUCCEEDED
• Error: N/A
• Build Logs (available for 30 days)

[foundationdb-ci]

Result of foundationdb-pr-cluster-tests on Linux CentOS 7

• Commit ID: 4a0bea2
• Duration 1:29:29
• Result: ✅ SUCCEEDED
• Error: N/A
• Build Logs (available for 30 days)