Leaked Events

[bobby]

I am going through my maillog file, and noticed these events:

Sep  8 15:56:17 mail dovecot[294462]: lmtp(391257): Warning: Event
0x55db5bc41200 leaked (parent=0x55db5bc3b830): mail-storage-service.c:1325
Sep  8 15:56:17 mail dovecot[294462]: lmtp(391257): Warning: Event
0x55db5bc3b830 leaked (parent=0x55db5bc34450): smtp-server-recipient.c:38
Sep  8 15:56:17 mail dovecot[294462]: lmtp(391257): Warning: Event
0x55db5bc34450 leaked (parent=0x55db5bc34130): connection.c:523
Sep  8 15:56:17 mail dovecot[294462]: lmtp(391257): Warning: Event
0x55db5bc34130 leaked (parent=0x55db5bc20ce0): smtp-server-connection.c:773
Sep  8 15:56:17 mail dovecot[294462]: lmtp(391257): Warning: Event
0x55db5bc20ce0 leaked (parent=(nil)): lmtp-client.c:164

Is this something to be concerned about?
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