elements_rtpbundle.test_simple_rtpbin_bundle: Sometimes fails with "Failure 'rtp_session == NULL' occurred"

check.gst-plugins-good.elements_rtpbundle.test_simple_rtpbin_bundle: Failed 'Application returned 1'
       You can reproduce with: GST_CHECKS='test_simple_rtpbin_bundle' GST_STATE_IGNORE_ELEMENTS='aasink autoaudiosrc autoaudiosink autovideosrc
 autovideosink cacasink cairotextoverlay jackaudiosrc jackaudiosink
 osssrc osssink osxaudiosink osxaudiosrc osxvideosrc osxvideosink
 pulsesink pulsesrc pulsemixer v4l2src' GST_PLUGIN_SYSTEM_PATH_1_0='' GST_PLUGIN_LOADING_WHITELIST='gstreamer:gst-plugins-base:gst-plugins-good@/builds/gstreamer/gst-plugins-bad/gst-build/build' GST_REGISTRY='/builds/gstreamer/gst-plugins-bad/gst-build/build/subprojects/gst-plugins-good/tests/check/elements_rtpbundle.registry' CK_DEFAULT_TIMEOUT='20' GST_PLUGIN_PATH_1_0='/builds/gstreamer/gst-plugins-bad/gst-build/build' /builds/gstreamer/gst-plugins-bad/gst-build/build/subprojects/gst-plugins-good/tests/check/elements_rtpbundle

Dumping log files on failure

Dumping contents of /builds/gstreamer/gst-plugins-bad/validate-output/logs/check/gst-plugins-good/elements_rtpbundle/test_simple_rtpbin_bundle

=================
Test name: check.gst-plugins-good.elements_rtpbundle.test_simple_rtpbin_bundle
Command: '/builds/gstreamer/gst-plugins-bad/gst-build/build/subprojects/gst-plugins-good/tests/check/elements_rtpbundle'
=================


(gst-plugin-scanner:11534): GStreamer-WARNING **: 23:02:53.525: Failed to load plugin '/builds/gstreamer/gst-plugins-bad/gst-build/build/subprojects/pygobject/gi/_gi.cpython-37m-x86_64-linux-gnu.so': /builds/gstreamer/gst-plugins-bad/gst-build/build/subprojects/pygobject/gi/_gi.cpython-37m-x86_64-linux-gnu.so: undefined symbol: PyExc_NotImplementedError

(gst-plugin-scanner:11534): GStreamer-WARNING **: 23:02:53.525: Failed to load plugin '/builds/gstreamer/gst-plugins-bad/gst-build/build/subprojects/pygobject/gi/_gi_cairo.cpython-37m-x86_64-linux-gnu.so': /builds/gstreamer/gst-plugins-bad/gst-build/build/subprojects/pygobject/gi/_gi_cairo.cpython-37m-x86_64-linux-gnu.so: undefined symbol: PyExc_ValueError
Running suite(s): rtpbundle
0%: Checks: 1, Failures: 1, Errors: 0
../subprojects/gst-plugins-good/tests/check/elements/rtpbundle.c:349:F:general:test_simple_rtpbin_bundle:0: Failure 'rtp_session == NULL' occurred
Check suite rtpbundle ran in 0.546s (tests failed: 1)