HP 1920 Switch -- IFNET LINK_UPDOWN Errors

Hello,

A user that is connected to a switch on one of our floors is complaining about a slowdown issue on her laptop everyday around 5:00 PM. We've verified that no windows updates, program updates, scheduled tasks, or scripts are trying to execute at that time.

When checking the switch mgmt GUI I see no port errors and all ports are set to auto speed/duplex. However, every so often I see these below IFNET errors about interfaces going up and down. I'm wondering if this is MSTP related as STP is enabled for all interfaces?


Switch Logs (From Splunk):


      
Mar  1 17:09:34 10.132.18.14 Mar  1 17:09:56 2017 SW11 %%10MSTP/1/PFWD(t):   Trap 1.3.6.1.4.1.25506.8.35.14.0.1: Instance 0's Port 0.37773312 has been set to forwarding state!

Mar  1 17:09:34 10.132.18.14 Mar  1 17:09:56 2017 SW11 %%10IFNET/3/LINK_UPDOWN(l): GigabitEthernet1/0/7 link status is UP.

Mar  1 17:09:34 10.132.18.14 Mar  1 17:09:56 2017 SW11 %%10IFNET/4/INTERFACE UPDOWN(t):   Trap 1.3.6.1.6.3.1.1.5.4: Interface 37773312 is Up, ifAdminStatus is 1, ifOperStatus is 1  

Mar  1 17:09:32 10.132.18.14 Mar  1 17:09:54 2017 SW11 %%10IFNET/3/LINK_UPDOWN(l): GigabitEthernet1/0/7 link status is DOWN.

Mar  1 17:09:32 10.132.18.14 Mar  1 17:09:54 2017 SW11 %%10IFNET/4/INTERFACE UPDOWN(t):   Trap 1.3.6.1.6.3.1.1.5.3: Interface 37773312 is Down, ifAdminStatus is 1, ifOperStatus is 2  

Mar  1 17:08:46 10.132.18.14 Mar  1 17:09:09 2017 SW11 %%10MSTP/6/MSTP_FORWARDING(l): Instance 0's port GigabitEthernet1/0/23 has been set to forwarding state.

Mar  1 17:08:46 10.132.18.14 Mar  1 17:09:09 2017 SW11 %%10MSTP/1/PFWD(t):   Trap 1.3.6.1.4.1.25506.8.35.14.0.1: Instance 0's Port 0.37838848 has been set to forwarding state!

Mar  1 17:08:46 10.132.18.14 Mar  1 17:09:09 2017 SW11 %%10IFNET/3/LINK_UPDOWN(l): GigabitEthernet1/0/23 link status is UP.

Mar  1 17:08:46 10.132.18.14 Mar  1 17:09:09 2017 SW11 %%10IFNET/4/INTERFACE UPDOWN(t):   Trap 1.3.6.1.6.3.1.1.5.4: Interface 37838848 is Up, ifAdminStatus is 1, ifOperStatus is 1  

Mar  1 17:08:44 10.132.18.14 Mar  1 17:09:06 2017 SW11 %%10IFNET/3/LINK_UPDOWN(l): GigabitEthernet1/0/23 link status is DOWN.

Mar  1 17:08:44 10.132.18.14 Mar  1 17:09:06 2017 SW11 %%10IFNET/4/INTERFACE UPDOWN(t):   Trap 1.3.6.1.6.3.1.1.5.3: Interface 37838848 is Down, ifAdminStatus is 1, ifOperStatus is 2  


I setup port mirroring on the switch to monitor 4 different ports that I noticed this "UP DOWN" issue with. 1 was a workstation and 3 were networked printers. I hooked up wireshark and had it running overnight, I matched up the time stamps for the splunk error logs with the wireshark captures but I wasn't able to see any evidence that there was an issue with any of the ports.

Any ideas to point me in the right direction of finding the issue would be well appreciated.

Thanks!