[ 1174.448810][T21993] veth0: entered allmulticast mode
[ 1174.449397][T21993] veth1: entered allmulticast mode
[ 1174.449811][T21993] veth2: entered allmulticast mode
[ 1174.450214][T21993] veth3: entered allmulticast mode
[ 1186.208569][T21993] veth0: left allmulticast mode
[ 1186.208937][T21993] veth1: left allmulticast mode
[ 1186.209225][T21993] veth2: left allmulticast mode
[ 1186.209478][T21993] veth3: left allmulticast mode