[FS#595] odhcpd in relay mode floods network with NS packets

[LEDE Bugs]

The following task has a new comment added:

FS#595 - odhcpd in relay mode floods network with NS packets
User who did this - netprince (netprince)

----------
Here is my network config:


config interface 'loopback'
        option ifname 'lo'
        option proto 'static'
        option ipaddr '127.0.0.1'
        option netmask '255.0.0.0'

config globals 'globals'
        option ula_prefix 'fddf:2ab8:2488::/48'

config interface 'lan'
        option type 'bridge'
        option ifname 'eth0.1'
        option proto 'static'
        option ipaddr '192.168.108.1'
        option netmask '255.255.255.0'
        option ip6assign '64'
        option ip6hint '10'
#       option igmp_snooping '0'
#       option multicast_querier '1'

config interface 'wan'
        option ifname 'eth0.2'
        option proto 'static'
        list ipaddr '---.---.---.25/22'
        list ipaddr '---.---.---.26/32'
        option gateway '---.---.---.1'
        option dns '198.82.142.121 198.82.142.122'
        list ping_or_die 'gateway'

config interface 'wan6'
        option ifname 'eth0.2'
        option proto 'dhcpv6'

config switch
        option name 'switch0'
        option reset '1'
        option enable_vlan '1'

config switch_vlan
        option device 'switch0'
        option vlan '1'
        option ports '1 2 3 4 0t'

config switch_vlan
        option device 'switch0'
        option vlan '2'
        option ports '5 0t'

config openvpn 'ovpn_psyc'
        option proto 'none'
        option ifname 'tun9'
        option remote '---.---.---.40'
        option config_file '/etc/openvpn/networks/psyc/client.conf'
        option enabled '1'


----------

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=595#comment2104