Tagged by CORD Jenkins version-tag job: 2455, for Gerrit patchset: 15469

1. 691c976 VOL-1946: Use uuid to generate transaction ids for grpc request metadata to core instead of a running integer. by A R Karthick · 4 years, 9 months ago
2. d9f78ae VOL-1944: Print backend name assigned only if non-nil or was assigned. by A R Karthick · 4 years, 9 months ago
3. 112b0d4 VOL-1848 API for setting and querying loglevel of api-server; by Scott Baker · 4 years, 10 months ago
4. 03b5899 Reworked connection to use a single thread for state management. by Kent Hagerman · 4 years, 9 months ago
5. 1e9061e General afrouter cleanup. by Kent Hagerman · 5 years ago