[ 1630.814036][T21989] veth0: entered allmulticast mode
[ 1630.815134][T21989] veth1: entered allmulticast mode
[ 1630.815694][T21989] veth2: entered allmulticast mode
[ 1630.816492][T21989] veth3: entered allmulticast mode
[ 1655.034472][T21989] veth0: left allmulticast mode
[ 1655.034977][T21989] veth1: left allmulticast mode
[ 1655.035405][T21989] veth2: left allmulticast mode
[ 1655.035822][T21989] veth3: left allmulticast mode