bind 9.10.0 xfer test failing

[J. Thomsen]

I am wondering why a particular test of 9.10.0 is failing and how it can be fixed.
It happens repeatedly with linux on two different hardware platforms.

I:System test result summary:
I:       1 FAIL
I:      63 PASS
I:       4 SKIPPED

T:xfer:1:A
A:System test xfer
I:testing basic zone transfer functionality
I:testing TSIG signed zone transfers
I:reload servers for in preparation for ixfr-from-differences tests
I:ns1 server reload successful
I:ns2 server reload successful
I:ns3 server reload successful
I:ns6 server reload successful
I:ns7 server reload successful
I:updating master zones for ixfr-from-differences tests
I:ns1 server reload successful
I:ns2 server reload successful
I:ns6 server reload successful
I:ns7 server reload successful
I:testing zone is dumped after successful transfer
I:testing ixfr-from-differences yes;
I:testing ixfr-from-differences master; (master zone)
I:testing ixfr-from-differences master; (slave zone)
I:testing ixfr-from-differences slave; (master zone)
I:testing ixfr-from-differences slave; (slave zone)
I:check that a multi-message uncompressable zone transfers
I:testing that incorrectly signed transfers will fail...
I:initial correctly-signed transfer should succeed
------10.53.0.5:5301 at ../send.pl line 33.
I:ns4 server reload successful
I:failed
I:unsigned transfer
------10.53.0.5:5301 at ../send.pl line 33. (trace inserted by me)
Connection refused at ../send.pl line 34.
I:bad keydata
------10.53.0.5:5301 at ../send.pl line 33.
Connection refused at ../send.pl line 34.
I:partially-signed transfer
------10.53.0.5:5301 at ../send.pl line 33.
Connection refused at ../send.pl line 34.
I:unknown key
------10.53.0.5:5301 at ../send.pl line 33.
Connection refused at ../send.pl line 34.
I:incorrect key
------10.53.0.5:5301 at ../send.pl line 33.
Connection refused at ../send.pl line 34.
I:exit status: 1
I:ans5 died before a SIGTERM was sent
R:FAIL


- Jørgen Thomsen