KEEPALIVE_TIMEOUT
MSEC_2_TICKS(KEEPALIVE_TIMEOUT * 1000),
MSEC_2_TICKS(KEEPALIVE_TIMEOUT * 1000),
#define NEW_HANDSHAKE_TIMEOUT (REKEY_TIMEOUT + KEEPALIVE_TIMEOUT)
REJECT_AFTER_TIME - KEEPALIVE_TIMEOUT - REKEY_TIMEOUT, 0);