First of all you can't check packet drops and path through ping or traceroute in multilink , better use snmp to get idea of utilization and for droping packet please put the output of following commands:
show interface multilink 1, serialXXX, virtual-access
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...