filter_kubernetes: fix issue with >1 container in pod diff parser type (#888)
filter_kubernetes: fix issue with >1 container in pod diff parser type (#888)

If there was more than 1 container in a pod with different parser
types, it was matching the first one each time. Separate the hash-key
by container-name.

Signed-off-by: Don Bowman <1f1e67e5fdb25d2e5cd18ddc0fee425272daab56@agilicus.com>
fluent/fluent-bit,nokute78/fluent-bit,nokute78/fluent-bit,nokute78/fluent-bit,nokute78/fluent-bit,nokute78/fluent-bit,fluent/fluent-bit,nokute78/fluent-bit,fluent/fluent-bit,nokute78/fluent-bit,fluent/fluent-bit,fluent/fluent-bit,nokute78/fluent-bit,fluent/fluent-bit,nokute78/fluent-bit,fluent/fluent-bit,nokute78/fluent-bit,nokute78/fluent-bit,fluent/fluent-bit,fluent/fluent-bit,fluent/fluent-bit,fluent/fluent-bit,fluent/fluent-bit,nokute78/fluent-bit