VCFC系统日志提示虚机MAC地址和网关MAC地址冲突是为什么？

VCFC系统日志提示虚机MAC地址和网关MAC地址冲突，如下所示：

[2018-09-26 12:58:40:963]       WARNING     10.202.0.4               ARP                           arp                           ARP_MAC_CONFLICT                 The MAC address of VM (IP: 20.10.1.1, MAC: 00:16:3f:aa:aa:aa) that connects to interface null of access device   conflicts with the gateway MAC address or reserved gateway MAC address.

[2018-09-23 06:25:08:875]       WARNING     10.202.0.3               ARP                           arp                           ARP_MAC_CONFLICT                 The MAC address of VM (IP: 192.168.8.112, MAC: 3c:8c:40:4e:dd:46) that connects to interface BAGG15 of access device 10.254.0.68 conflicts with the gateway MAC address or reserved gateway MAC address.

可以根据系统日志中提示的虚机IP地址排查虚机是否发送源MAC地址为网关MAC的arp报文，可以进行抓包确认。一般由于虚机中毒，导致虚机发送仿冒网关MAC地址的arp报文，需要进行杀毒处理。