10 minute wpa_supplicant periodic event?

[David Ehrmann]

I have a TCP connection that's getting dropped.  The drops are some
multiple of 10 minutes apart, e.g. 11:26, 11:46, 11:55, 12:26, 12:36,
12:45, 12:55, 13:05, 13:15, 13:26, 13:36, 13:45, 13:56, 14:06, 14:16.

My connection is WPA and authenticates with a username and password (I
think this means it uses a Radius server, somewhere).

Is there a key renegotiation or something similar that takes place
every 10 minutes?