hg: jdk/sandbox: 8220658: Improve the readability of container information in the error log

[chris.hegarty at oracle.com]

Changeset: 67c58bd66e82
Author:    jiefu
Date:      2019-03-21 04:55 -0400
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/67c58bd66e82

8220658: Improve the readability of container information in the error log
Reviewed-by: dholmes, bobv

! src/hotspot/os/linux/os_linux.cpp