Getting data from P interface

geteth.sh

get_ether() {
# 0-<interface>, 1-<mac address>, 2-<broadcast>
  local net[0]=$1
        net[1]=`ip -0 -o addr show dev ${net[0]} | grep -oiP '(?<=link\/ether)\s+([0-9a-f]{2}\:?){6}' | tr -d '[[:space:]]'`
        net[2]=`ip -0 -o addr show dev ${net[0]} | grep -oiP '(?<=brd)\s+([0-9a-f]{2}\:?){6}' | tr -d '[[:space:]]'`
        echo "${net[@]}"
}

get_ipv4() {
# 0-<interface>, 1-<full network>, 2-<interface ip>, 3-<network bits>, 4-<broadcast>
  local net[0]=$1
        net[1]=`ip -4 -o addr show dev ${net[0]} | grep -oiP '(?<=inet)\s+([0-9]+\.?)+\/[0-9]+' | tr -d '[[:space:]]'`
        net[2]=`echo ${net[1]} | cut -f1 -d'/'`
        net[3]=`echo ${net[1]} | cut -f2 -d'/'`
        net[4]=`ip -4 -o addr show dev ${net[0]} | grep -oiP '(?<=brd)\s+([0-9]+\.?)+' | tr -d '[[:space:]]'`
        echo "${net[@]}"
}

get_ipv6() {
# 0-<interface>, 1-<full network>, 2-<interface ip>, 3-<network bits>
  local net[0]=$1
        net[1]=`ip -6 -o addr show dev ${net[0]} | grep -oiP '(?<=inet6)\s+([0-9a-f]+\:*)+\/[0-9]+' | tr -d '[[:space:]]'`
        net[2]=`echo ${net[1]} | cut -f1 -d'/'`
        net[3]=`echo ${net[1]} | cut -f2 -d'/'`
        echo "${net[@]}"
}

get_dnsv4() {
  local i=0
  local ip=""
  local dns=""
        for ip in `grep -is nameserver /etc/resolv.conf | grep -oE '([0-9]+\.?)+'`
        do
          dns[$i]=$ip
          ((i++))
        done
        echo "${dns[@]}"
}