After the upgrade I witnessed 64% packet loss, which is insane.
ping 192.168.101 Pinging 192.168.101 with 32 bytes of data: Reply from 192.168.101: bytes=32 time<1ms TTL=63 Request timed out. Request timed out. Request timed out. Reply from 192.168.101: bytes=32 time<1ms TTL=63 Reply from 192.168.101: bytes=32 time<1ms TTL=63 Request timed out. Reply from 192.168.101: bytes=32 time<1ms TTL=63 Request timed out. Request timed out. Request timed out. Request timed out. Request timed out. Request timed out. Request timed out. Reply from 192.168.101: bytes=32 time<1ms TTL=63 Reply from 192.168.101: bytes=32 time<1ms TTL=63 Ping statistics for 192.168.101: Packets: Sent = 17, Received = 6, Lost = 11 (64% loss), Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms, Average = 0ms
To fix this issue I have found that installing package netfilter-persistent will resolve this.
apt update && apt install netfilter-persistent And then reboot your server reboot