2021-01-20 22:28:37   error  : [storage_redis] Expected status message in the context of MULTI, but received a NIL.

2021-01-20 22:28:37   error  : [storage_redis] Expected status message in the context of queued command, but received a STRING.

2021-01-20 22:28:37   warning: [storage_redis] Unexpected redis redis return type (STATUS) received.

2021-01-20 22:28:37   error  : [storage_redis] Expected status message in the context of MULTI, but received a STRING.

2021-01-20 22:28:37   warning: [storage_redis] Unexpected redis redis return type (STATUS) received.

2021-01-20 22:28:37   error  : [storage_redis] Expected status message 'OK' in the context of MULTI, but received 'QUEUED'.

2021-01-20 22:28:37   error  : [storage_redis] Failed when reading response to MULTI: no error, 

2021-01-20 22:28:37   error  : [cache] Could not store new cache value, deleting a possibly existing old value.

2021-01-20 22:28:37   warning: [storage_redis] Unexpected redis return type (ARRAY) received.

2021-01-20 22:28:37   error  : [cache] Could not delete cache item, the value may now be stale.

2021-01-20 22:28:41   error  : [storage_redis] Expected status message in the context of MULTI, but received a NIL.

2021-01-20 22:28:41   warning: [storage_redis] Unexpected redis redis return type (STATUS) received.

2021-01-20 22:28:41   error  : [storage_redis] Expected status message 'OK' in the context of MULTI, but received 'QUEUED'.

2021-01-20 22:28:41   error  : [storage_redis] Failed when reading response to MULTI: no error, 

2021-01-20 22:28:41   error  : [cache] Could not store new cache value, deleting a possibly existing old value.

2021-01-20 22:28:41   warning: [storage_redis] Unexpected redis return type (ARRAY) received.

2021-01-20 22:28:41   error  : [cache] Could not delete cache item, the value may now be stale.

2021-01-20 22:28:42   error  : [storage_redis] Expected status message in the context of MULTI, but received a STRING.

2021-01-20 22:28:42   warning: [storage_redis] Unexpected redis redis return type (STATUS) received.

2021-01-20 22:28:42   error  : [storage_redis] Expected status message 'OK' in the context of MULTI, but received 'QUEUED'.

2021-01-20 22:28:42   error  : [storage_redis] Failed when reading response to MULTI: no error, 

2021-01-20 22:28:42   error  : [cache] Could not store new cache value, deleting a possibly existing old value.

2021-01-20 22:28:42   warning: [storage_redis] Unexpected redis return type (ARRAY) received.

2021-01-20 22:28:42   error  : [cache] Could not delete cache item, the value may now be stale.

2021-01-20 22:28:42   error  : [storage_redis] Expected status message in the context of MULTI, but received a STRING.

2021-01-20 22:28:42   warning: [storage_redis] Unexpected redis redis return type (STATUS) received.

2021-01-20 22:32:57   error  : [cache] Could not delete cache item, the value may now be stale.

*** Error in `/usr/bin/maxscale': free(): invalid pointer: 0x00007f8c08000c92 ***

======= Backtrace: =========

/lib64/libc.so.6(+0x81679)[0x7f8ebb6d7679]

/usr/lib64/maxscale/libstorage_redis.so(redisBufferWrite+0x245)[0x7f8e683a26a5]

/usr/lib64/maxscale/libstorage_redis.so(redisGetReply+0x83)[0x7f8e683a27a3]

/usr/lib64/maxscale/libstorage_redis.so(redisvCommand+0x27)[0x7f8e683a2a37]

/usr/lib64/maxscale/libstorage_redis.so(+0x5bfd)[0x7f8e68396bfd]

/usr/lib64/maxscale/libstorage_redis.so(+0x9a6c)[0x7f8e6839aa6c]

/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x182dcb)[0x7f8ebe3b0dcb]

/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(_ZN7maxbase10ThreadPool6Thread4mainEv+0x155)[0x7f8ebe2cf425]

/usr/lib64/maxscale/libmaxscale-common.so.1.0.0(+0x228a0f)[0x7f8ebe456a0f]

/lib64/libpthread.so.0(+0x7e65)[0x7f8ebd448e65]

/lib64/libc.so.6(clone+0x6d)[0x7f8ebb75488d]