drop GRE frames from being mirrored in path.
set policy profile 1 name APPid pvid-status enable pvid 4095 mirror-destination 1
set policy rule admin-profile port ge.1.48 mask 16 port-string ge.1.48 admin-pid 1
set policy rule 1 ipproto 47 mask 8 drop prohibit-mirror
By prohibiting the mirror of GRE, then we did not try to re-encapsulate it.