Fix potential CONFIG SET bind test failure.  (#8875)
Fix potential CONFIG SET bind test failure.  (#8875)

Use an invalid IP address to trigger CONFIG SET bind failure, instead of DNS which is not guaranteed to always fail.

(cherry picked from commit 2b22fffc787e91df789dabf23ddcf19ecf34cf6f)

ctripcorp/redis,ctripcorp/redis,ctripcorp/redis,ctripcorp/redis