Possible disable split_routing detecting ?

I use bro,

but not have more 1 link to InterNet,

Possible disable split_routing detecting/function ?

If it's not possible that you're seeing split routing, then it's important
to figure out why Bro believes it's seeing it. You should capture a trace
using -w for which Bro reports split routing; see if running on the trace
off-line reproduces that message; and, if so, investigate the trace to
determine whether in fact the given connection is missing part of its