[ 1523.648822][ T4457] veth0: entered allmulticast mode
[ 1523.649424][ T4457] veth1: entered allmulticast mode
[ 1523.649753][ T4457] veth2: entered allmulticast mode
[ 1523.650065][ T4457] veth3: entered allmulticast mode
[ 1549.907005][ T4457] veth0: left allmulticast mode
[ 1549.908134][ T4457] veth1: left allmulticast mode
[ 1549.908360][ T4457] veth2: left allmulticast mode
[ 1549.908585][ T4457] veth3: left allmulticast mode