ns_server.*.logs should use ISO 8601 standard for timestamps.

The current time format in babysitter, couchdb, debug, error, info, mapreduce_errors, ssl_proxy, stats, views, xdcr, xdcr_error and reports.log.

[ns_server:info,2014-04-24T7:56:08.685,nonode@nohost:<0.30.0>:ns_ssl_proxy:init_logging:84]Brought up ns_ssl_proxy logging

Couchbase should used the ISO 8601 format across all logs file, please see the parent defect for details on the format.