[ 1637.409110][T21770] veth0: entered allmulticast mode
[ 1637.409968][T21770] veth1: entered allmulticast mode
[ 1637.410522][T21770] veth2: entered allmulticast mode
[ 1637.411560][T21770] veth3: entered allmulticast mode
[ 1662.033455][T21770] veth0: left allmulticast mode
[ 1662.033917][T21770] veth1: left allmulticast mode
[ 1662.034330][T21770] veth2: left allmulticast mode
[ 1662.034717][T21770] veth3: left allmulticast mode