log of a fresh unload and reload of the launchdaemon:

I0124 11:27:33.728989 2745729984 rocksdb.cpp:195] Opening RocksDB handle: /usr/local/zentral/osquery/db
I0124 11:27:37.475528 2745729984 events.cpp:690] Event publisher failed setup: kernel: Cannot access /dev/osquery
I0124 11:27:37.475934 2745729984 events.cpp:690] Event publisher failed setup: scnetwork: Publisher not used
I0124 11:27:37.479681 2745729984 events.cpp:909] Error registering subscriber: process_events: No kernel event publisher
I0124 11:27:37.480417 2745729984 events.cpp:909] Error registering subscriber: process_file_events: No kernel event publisher
W0124 11:27:39.807209 4198400 watcher.cpp:251] osqueryd worker (24272): Memory limits exceeded: 115675136
W0124 11:27:39.807628 4198400 watcher.cpp:407] osqueryd worker respawning too quickly: 0 times