防火墙配置拨号上网后出现端口up、down状态

设备不断跳这个信息，请问我这个怎么解决%Nov 6 17:32:59:403 2020 FW IFNET/5/LINK_UPDOWN: -COntext=1; Line protocol state on the interface Virtual-Access0 changed to down. %Nov 6 17:32:59:410 2020 FW IFNET/3/PHY_UPDOWN: -COntext=1; Physical state on the interface Virtual-Access0 changed to down. %Nov 6 17:33:29:523 2020 FW IFNET/3/PHY_UPDOWN: -COntext=1; Physical state on the interface Virtual-Access0 changed to up. %Nov 6 17:33:32:894 2020 FW IFNET/5/LINK_UPDOWN: -COntext=1; Line protocol state on the interface Virtual-Access0 changed to up. %Nov 6 17:33:32:938 2020 FW IFNET/5/LINK_UPDOWN: -COntext=1; Line protocol state on the interface Virtual-Access0 changed to down. %Nov 6 17:33:32:940 2020 FW IFNET/3/PHY_UPDOWN: -COntext=1; Physical state on the interface Virtual-Access0 changed to down. %Nov 6 17:34:03:014 2020 FW IFNET/3/PHY_UPDOWN: -COntext=1; Physical state on the interface Virtual-Access0 changed to up. %Nov 6 17:34:06:411 2020 FW IFNET/5/LINK_UPDOWN: -COntext=1; Line protocol state on the interface Virtual-Access0 changed to up. %Nov 6 17:34:06:456 2020 FW IFNET/5/LINK_UPDOWN: -COntext=1; Line protocol state on the interface Virtual-Access0 changed to down. %Nov 6 17:34:06:464 2020 FW IFNET/3/PHY_UPDOWN: -COntext=1; Physical state on the interface Virtual-Access0 changed to down.