Hello, we used getifaddrs' ifi_ibytes on macOS10 to get traffic data from the utun network card,But the traffic read through ifi_ibytes on macOS11 and macOS12 is doubled. Does the system upgrade affect GetifADdrs?  I look forward to your reply. Thanks. SuperJohn

Hello, we used getifaddrs' ifi_ibytes on macOS10 to get traffic data from the utun network card,But the traffic read through ifi_ibytes on macOS11 and macOS12 is doubled. Does the system upgrade affect GetifADdrs?  I look forward to your reply. Thanks. SuperJohn