[ -z "$DEFAULT_IF" ] && FATAL "Not possible to determine the interface with the default route 0.0.0.0"
DEFAULT_IP=`ip -o -4 a |grep ${DEFAULT_IF}|awk '{split($4,a,"/"); print a[1]}'`
[ -z "$DEFAULT_IP" ] && FATAL "Not possible to determine the IP address of the interface with the default route"
[ -z "$DEFAULT_IF" ] && FATAL "Not possible to determine the interface with the default route 0.0.0.0"
DEFAULT_IP=`ip -o -4 a |grep ${DEFAULT_IF}|awk '{split($4,a,"/"); print a[1]}'`
[ -z "$DEFAULT_IP" ] && FATAL "Not possible to determine the IP address of the interface with the default route"