[ 1017.737674][T21304] veth0: entered allmulticast mode
[ 1017.738028][T21304] veth1: entered allmulticast mode
[ 1017.738255][T21304] veth2: entered allmulticast mode
[ 1017.738577][T21304] veth3: entered allmulticast mode
[ 1028.320376][T21304] veth0: left allmulticast mode
[ 1028.320626][T21304] veth1: left allmulticast mode
[ 1028.320805][T21304] veth2: left allmulticast mode
[ 1028.320978][T21304] veth3: left allmulticast mode