[ 1517.251470][ T4443] veth0: entered allmulticast mode
[ 1517.251970][ T4443] veth1: entered allmulticast mode
[ 1517.252271][ T4443] veth2: entered allmulticast mode
[ 1517.252582][ T4443] veth3: entered allmulticast mode
[ 1543.055420][ T4443] veth0: left allmulticast mode
[ 1543.055729][ T4443] veth1: left allmulticast mode
[ 1543.055951][ T4443] veth2: left allmulticast mode
[ 1543.056183][ T4443] veth3: left allmulticast mode