Script to mention you fixing the network issue

moniternetwork

#!/usr/bin/env bash

conn_fail_threshold=5
conn_fail_cnt=0
while true;
do
    curl -m1 'https://www.google.com' 1>/dev/null 2>&1
    
    if [ $? -ne 0 ];
    then
        (( conn_fail_cnt += 1 ))
        echo "[$(date)] Connection NG: $conn_fail_cnt"
    else
        echo "[$(date)] Connection OK"
        conn_fail_cnt=0
    fi

    if [ $conn_fail_cnt -ge $conn_fail_threshold ];
    then
        osascript -e 'tell app "System Events" to display dialog "Check network connection!"'
        conn_fail_cnt=0
    fi

    sleep 1
done