[ 1049.065051][T21400] veth0: entered allmulticast mode
[ 1049.065456][T21400] veth1: entered allmulticast mode
[ 1049.065722][T21400] veth2: entered allmulticast mode
[ 1049.066070][T21400] veth3: entered allmulticast mode
[ 1060.465530][T21400] veth0: left allmulticast mode
[ 1060.465816][T21400] veth1: left allmulticast mode
[ 1060.466019][T21400] veth2: left allmulticast mode
[ 1060.466220][T21400] veth3: left allmulticast mode