請問各位高手，手邊有一台HP Switch V1910 JE009A ，
出現下列LOG 正常嗎?

Apr 28 21:39:17:58 2000 MSTP Critical PFWD Instance 0's GigabitEthernet1/0/24 has been set to forwarding state!
Apr 28 21:39:17:51 2000 IFNET Warning LINK UPDOWN GigabitEthernet1/0/24: link status is UP
Apr 28 21:39:14:965 2000 IFNET Warning LINK UPDOWN GigabitEthernet1/0/24: link status is DOWN
Apr 28 21:37:13:816 2000 MSTP Critical PFWD Instance 0's GigabitEthernet1/0/47 has been set to forwarding state!
Apr 28 21:37:13:810 2000 IFNET Warning LINK UPDOWN GigabitEthernet1/0/47: link status is UP
Apr 28 21:37:11:402 2000 IFNET Warning LINK UPDOWN GigabitEthernet1/0/47: link status is DOWN
Apr 28 21:23:04:90 2000 MSTP Critical PFWD Instance 0's GigabitEthernet1/0/17 has been set to forwarding state!
Apr 28 21:23:04:84 2000 IFNET Warning LINK UPDOWN GigabitEthernet1/0/17: link status is UP
Apr 28 21:23:01:548 2000 IFNET Warning LINK UPDOWN GigabitEthernet1/0/17: link status is DOWN