LLD net.if.discovery macro regular expression

[markfree]

I'm trying to remove some interfaces from the LLD discovery used in "Linux network interfaces by Zabbix agent" template.
For that, I'm adding some terms the "{$NET.IF.IFNAME.NOT_MATCHES}" macro.

My monitored host's "net.if.discovery" key discover the following interfaces.

# zabbix_agentd -t net.if.discovery
[
    {"{#IFNAME}":"spu_us_dummy"},
    {"{#IFNAME}":"sit0"},
    {"{#IFNAME}":"imq1"},
    {"{#IFNAME}":"eth7"},
    {"{#IFNAME}":"lo"},
    {"{#IFNAME}":"eth3"},
    {"{#IFNAME}":"br0"},
    {"{#IFNAME}":"bcmsw"},
    {"{#IFNAME}":"ifb1"},
    {"{#IFNAME}":"imq0"},
    {"{#IFNAME}":"eth6"},
    {"{#IFNAME}":"ppp0"},
    {"{#IFNAME}":"eth2"},
    {"{#IFNAME}":"ip6tnl0"},
    {"{#IFNAME}":"ifb0"},
    {"{#IFNAME}":"ip6gre0"},
    {"{#IFNAME}":"eth5"},
    {"{#IFNAME}":"eth1"},
    {"{#IFNAME}":"bcmswlpbk0"},
    {"{#IFNAME}":"dpsta"},
    {"{#IFNAME}":"imq2"},
    {"{#IFNAME}":"spu_ds_dummy"},
    {"{#IFNAME}":"eth4"},
    {"{#IFNAME}":"eth0"}
]

I want to ignore interfaces "spu_us_dummy", "spu_ds_dummy", "sit0", "imq0", "imq1", "imq2", "ifb0", "ifb1", "ip6tnl0", "ip6gre0" and "dpsta".

The default macro uses this regular expression:

(^Software Loopback Interface|^NULL[0-9.]*$|^[Ll]o[0-9.]*$|^[Ss]ystem$|^Nu[0-9.]*$|^veth[0-9a-z]+$|docker[0-9]+|br-[a-z0-9]{12})

To ignore those interfaces I thought of adding some terms:

(^Software Loopback Interface|^NULL[0-9.]*$|^[Ll]o[0-9.]*$|^[Ss]ystem$|^Nu[0-9.]*$|^veth[0-9a-z]+$|docker[0-9]+|br-[a-z0-9]{12}|dpsta|spu_[du]s_dummy|sit0|ifb[0-9]|imq[0-9]|ip6[gre|tnl]0)

With that, most interfaces are ignored but "ip6tnl0" and "ip6gre0" are still discovered.

Could anyone help me enhance that macro?
Thanks

[dimir]

The last one should be:

ip6(gre|tnl)0

[markfree]

It now works as expected. Thanks.