mlvpn tunnels are not getting up on both sides.giving device or resource busy error every time.

[Rohitmittal-p]

-this is the file in client side of mlvpn.conf [general] statuscommand = "/etc/mlvpn/mlvpn0_updown.sh" tuntap = "tun" mode = "client" interface_name = "mlvpn0" timeout = 30 password = "you have not changed me yet?" reorder_buffer_size = 64 loss_tolerence = 50

[filters]

[adsl1] bindhost = "172.20.10.22" remotehost = "server public ip" remoteport = 5080

[adsl2] bindhost = "192.168.42.130" remotehost = "server public ip" remoteport = 5081 [general] statuscommand = "/etc/mlvpn/mlvpn0_updown.sh" tuntap = "tun" mode = "client" interface_name = "mlvpn0" timeout = 30 password = "you have not changed me yet?" reorder_buffer_size = 64 loss_tolerence = 50

[filters]

[adsl1] bindhost = "172.20.10.22" remotehost = "server ip" remoteport = 5080

[adsl2] bindhost = "192.168.42.130" remotehost = "server_ip" remoteport = 5081

-This is the updown script.

!/bin/bash

error=0; trap "error=$((error|1))" ERR

tuntap_intf="$1" newstatus="$2" rtun="$3"

[ -z "$newstatus" ] && exit 1

( if [ "$newstatus" = "tuntap_up" ]; then echo "$tuntap_intf setup" /sbin/ip link set dev $tuntap_intf mtu 1400 up /sbin/route add proof.ovh.net dev $tuntap_intf elif [ "$newstatus" = "tuntap_down" ]; then echo "$tuntap_intf shutdown" /sbin/route del proof.ovh.net dev $tuntap_intf elif [ "$newstatus" = "rtun_up" ]; then echo "rtun [${rtun}] is up" elif [ "$newstatus" = "rtun_down" ]; then echo "rtun [${rtun}] is down" fi ) >> /var/log/mlvpn_commands.log 2>&1

exit $errors

• these are my errors: mlvpn0:tun or device or resource busy.