diff --git a/lib/nvmf/ctrlr.c b/lib/nvmf/ctrlr.c
index c211104002..027af3c183 100644
--- a/lib/nvmf/ctrlr.c
+++ b/lib/nvmf/ctrlr.c
@@ -139,6 +139,8 @@ spdk_nvmf_ctrlr_keep_alive_poll(void *ctx)
 	keep_alive_timeout_tick = ctrlr->last_keep_alive_tick +
 				  ctrlr->feat.keep_alive_timer.bits.kato * spdk_get_ticks_hz() / UINT64_C(1000);
 	if (now > keep_alive_timeout_tick) {
+		SPDK_NOTICELOG("Disconnecting host from subsystem %s due to keep alive timeout.\n",
+			       ctrlr->subsys->subnqn);
 		/* set the Controller Fatal Status bit to '1' */
 		if (ctrlr->vcprop.csts.bits.cfs == 0) {
 			ctrlr->vcprop.csts.bits.cfs = 1;