[c-nsp] 3750 taking errors on multiple ports

[Randy Bush]

> some hours back, an antique Cisco WS-C3750G-POE-48 started taking output
> errors on multiple ports.  they are generally vlan edge, a la
> 
> interface GigabitEthernet1/0/31
>  description x.sea eth1
>  switchport access vlan 10

this was 'fixed' by turning vrrp and vrrp6 off on a junos m series
running 15 plugged into it.  going further down this rabbit hole.

randy