These are the logs that I took just now on the switch. Nothing out of the ordinary.
Feb 3 16:49:31.030: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to down
Feb 3 16:49:32.037: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to down
Feb 3 16:49:35.761: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to up
Feb 3 16:49:36.776: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to up
Feb 3 16:52:19.443: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to down
Feb 3 16:52:20.449: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to down
Feb 3 16:52:24.107: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to up
Feb 3 16:52:25.113: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to up
Feb 3 16:55:07.906: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to down
Feb 3 16:55:08.913: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to down
Feb 3 16:55:12.402: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to up
Feb 3 16:55:13.409: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to up
Feb 3 16:57:56.386: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to down
Feb 3 16:57:57.392: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to down
Feb 3 16:58:01.184: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to up
Feb 3 16:58:02.191: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to up
Feb 3 17:00:44.899: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to down
Feb 3 17:00:45.914: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to down
Feb 3 17:00:49.815: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to up
Feb 3 17:00:50.830: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to up
Feb 3 17:01:26.229: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet3/0/27, changed state to down
Feb 3 17:01:27.244: %LINK-3-UPDOWN: Interface GigabitEthernet3/0/27, changed state to down
Feb 3 17:01:30.255: %LINK-3-UPDOWN: Interface GigabitEthernet3/0/27, changed state to up
Feb 3 17:01:31.262: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet3/0/27, changed state to up
Feb 3 17:03:33.379: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to down
Feb 3 17:03:34.386: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to down
Feb 3 17:03:37.783: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to up
Feb 3 17:03:38.790: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to up
Feb 3 17:06:21.960: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to down
Feb 3 17:06:22.958: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to down
Feb 3 17:06:26.557: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to up
Feb 3 17:06:27.563: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to up
Feb 3 17:09:10.356: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to down
Feb 3 17:09:11.362: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to down
Feb 3 17:09:14.969: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to up
Feb 3 17:09:15.984: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to up
Feb 3 17:11:58.819: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to down
Feb 3 17:11:59.825: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to down
Feb 3 17:12:03.458: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/13, changed state to up
Feb 3 17:12:04.464: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet1/0/13, changed state to up