[c] Proactor: MacOSX/FreeBSD libuv proactor unit test fails with libuv 1.41

$ PN_LOG=debug gdb --args ./c/tests/c-proactor-test proactor_connect
(gdb) r
Starting program: /usr/home/andrew/qpid-proton/bld/c/tests/c-proactor-test proactor_connect
[0x8003a00e0]:EVENT:DEBUG:[0x800d6d000]:(PN_LISTENER_OPEN)
[0x800da51d0]:EVENT:DEBUG:(PN_CONNECTION_INIT, pn_connection<0x800d81290>)
[0x800da51d0]:EVENT:DEBUG:(PN_CONNECTION_LOCAL_OPEN, pn_connection<0x800d81290>)
[0x800da51d0]:EVENT:DEBUG:(PN_CONNECTION_BOUND, pn_connection<0x800d81290>)
[0x8003a00e0]:EVENT:DEBUG:[0x800d6d000]:(PN_LISTENER_ACCEPT)
[0x800da5390]:EVENT:DEBUG:(PN_CONNECTION_INIT, pn_connection<0x800d813d0>)
[0x800da5390]:EVENT:DEBUG:(PN_CONNECTION_BOUND, pn_connection<0x800d813d0>)
[0x800da51d0]:EVENT:DEBUG:(PN_TRANSPORT_TAIL_CLOSED, pn_transport<0x800da51d0>)
[0x800da51d0]:EVENT:DEBUG:(PN_TRANSPORT_ERROR, pn_transport<0x800da51d0>)

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
c-proactor-test is a Catch v1.12.2 host application.
Run with -? for options

-------------------------------------------------------------------------------
proactor_connect
-------------------------------------------------------------------------------
/home/andrew/qpid-proton/src/c/tests/proactor_test.cpp:138
...............................................................................

/home/andrew/qpid-proton/src/c/tests/proactor_test.cpp:145: FAILED:
  CHECKED_IF( (PN_TRANSPORT_CLOSED) == (p).run(PN_TRANSPORT_CLOSED) )
with expansion:
  PN_TRANSPORT_CLOSED == PN_TRANSPORT_ERROR

/home/andrew/qpid-proton/src/c/tests/proactor_test.cpp:145: FAILED:
explicitly with message:
  pn_condition{"proton:io", "connection already in progress - read :55624"}

===============================================================================
test cases: 1 | 1 failed
assertions: 3 | 1 passed | 2 failed

[Inferior 1 (process 50316) exited with code 02]