[ 2850.578747][T21022] veth0: entered allmulticast mode
[ 2850.579373][T21022] veth1: entered allmulticast mode
[ 2850.579697][T21022] veth2: entered allmulticast mode
[ 2850.580023][T21022] veth3: entered allmulticast mode
[ 2878.213188][T21022] veth0: left allmulticast mode
[ 2878.213495][T21022] veth1: left allmulticast mode
[ 2878.213738][T21022] veth2: left allmulticast mode
[ 2878.213988][T21022] veth3: left allmulticast mode