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      <base href="https://bugzilla.netfilter.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [netdev] dropping ether type vlan frames drops ICMPv6 type 134"
   href="https://bugzilla.netfilter.org/show_bug.cgi?id=1468">1468</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[netdev] dropping ether type vlan frames drops ICMPv6 type 134
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>nftables
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Debian GNU/Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P5
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>nft
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>pablo@netfilter.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>vtolkm@gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>kernel 5.9.0-rc6 armv7l | nft 0.9.6
___

table netdev filter {
        set et {
                typeof ether type
                flags constant
                counter
                elements = { vlan }
        }

        chain input {
                type filter hook ingress device "eth2" priority -500; policy
accept;
                ether type @et log prefix "nd et DROP" flags all drop
        }
}

The ISP is multi-casting ICMPv6 type 134 on the subscriber line, however
filtering vlan frames is dropping ICMPv6 type 134, the counter increases and
the log exhibits:

nd et DROPIN=eth2 OUT= MACSRC=78:ba:f9:73:f5:74 MACDST=33:33:00:00:00:01
MACPROTO=86dd SRC=fe80:0000:0000:0000:7aba:f9ff:fe73:f574
DST=ff02:0000:0000:0000:0000:0000:0000:0001 LEN=72 TC=224 HOPLIMIT=255
FLOWLBL=0 PROTO=ICMPv6 TYPE=134 CODE=0</pre>
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