output of rtsp server

str: ( videotestsrc name=videosrc ! videoconvert name=videoconvert ! vp8enc name=vp8enc ! rtpvp8pay name=pay0   audiotestsrc name=audiotestsrc ! amrnbenc name=amrnbenc ! rtpamrpay name=pay1 )
stream ready at rtsp://127.0.0.1:8554/test
0:00:03.927491198  7296      0x112c450 INFO           GST_PARENTAGE gstbin.c:4148:gst_bin_get_by_name: [media-pipeline]: looking up child element rtpbin0
0:00:03.927996077  7296      0x112c450 INFO              rtspstream rtsp-stream.c:2120:gst_rtsp_stream_leave_bin: stream 0x7f22e405a570 leaving bin
0:00:03.928268473  7296      0x112c450 INFO        GST_ELEMENT_PADS gstpad.c:1943:gst_pad_unlink: unlinking bin0:src_1(0x7f22e40562f0) and rtpbin0:send_rtp_sink_1(0x7f22e4057850)
0:00:03.928614961  7296      0x112c450 DEBUG                GST_BUS gstbus.c:309:gst_bus_post:<bus1> [msg 0x7f22e40541b0] posting on bus structure-change message: 0x7f22e40541b0, time 99:99:99.999999999, seq-num 359, element 'send_rtp_sink_1', GstMessageStructureChange, type=(GstStructureChangeType)GST_STRUCTURE_CHANGE_TYPE_PAD_UNLINK, owner=(GstElement)"\(GstBin\)\ bin0", busy=(boolean)true;
0:00:03.929198063  7296      0x112c450 DEBUG                    bin gstbin.c:3409:gst_bin_handle_message_func:<media-pipeline> [msg 0x7f22e40541b0] handling child send_rtp_sink_1 message of type structure-change
0:00:03.929599786  7296      0x112c450 DEBUG                    bin gstbin.c:883:find_message:<media-pipeline> no message found matching types 00001000
0:00:03.929966523  7296      0x112c450 DEBUG                    bin gstbin.c:890:find_message:<media-pipeline>   structure-change
0:00:03.930275707  7296      0x112c450 DEBUG                    bin gstbin.c:930:bin_replace_message:<media-pipeline> got new message 0x7f22e40541b0, structure-change from send_rtp_sink_1
0:00:03.930659016  7296      0x112c450 DEBUG                GST_BUS gstbus.c:340:gst_bus_post:<bus1> [msg 0x7f22e40541b0] dropped
0:00:03.930957613  7296      0x112c450 INFO        GST_ELEMENT_PADS gstpad.c:1997:gst_pad_unlink: unlinked bin0:src_1 and rtpbin0:send_rtp_sink_1
0:00:03.931316382  7296      0x112c450 DEBUG                GST_BUS gstbus.c:309:gst_bus_post:<bus1> [msg 0x7f22e4054330] posting on bus structure-change message: 0x7f22e4054330, time 99:99:99.999999999, seq-num 360, element 'send_rtp_sink_1', GstMessageStructureChange, type=(GstStructureChangeType)GST_STRUCTURE_CHANGE_TYPE_PAD_UNLINK, owner=(GstElement)"\(GstBin\)\ bin0", busy=(boolean)false;
0:00:03.931491844  7296      0x112c450 DEBUG                    bin gstbin.c:3409:gst_bin_handle_message_func:<media-pipeline> [msg 0x7f22e4054330] handling child send_rtp_sink_1 message of type structure-change
0:00:03.931760612  7296      0x112c450 DEBUG                    bin gstbin.c:958:bin_remove_messages:<rtpbin0:send_rtp_sink_1> deleting message 0x7f22e40541b0 of types 0x00001000
0:00:03.931780478  7296      0x112c450 DEBUG                    bin gstbin.c:964:bin_remove_messages:<appsink0> not deleting message 0x7f22cc015380 of type 0x10000000
0:00:03.931791954  7296      0x112c450 DEBUG                    bin gstbin.c:964:bin_remove_messages:<multiudpsink0> not deleting message 0x7f22dc061930 of type 0x10000000
0:00:03.931801881  7296      0x112c450 DEBUG                    bin gstbin.c:964:bin_remove_messages:<appsink2> not deleting message 0x7f22c4016e80 of type 0x10000000
0:00:03.931811507  7296      0x112c450 DEBUG                    bin gstbin.c:964:bin_remove_messages:<multiudpsink2> not deleting message 0x7f22c80162c0 of type 0x10000000
0:00:03.931821580  7296      0x112c450 DEBUG                GST_BUS gstbus.c:340:gst_bus_post:<bus1> [msg 0x7f22e4054330] dropped
0:00:03.931842090  7296      0x112c450 DEBUG                 rtpbin gstrtpbin.c:3887:gst_rtp_bin_release_pad:<rtpbin0> Trying to release pad rtpbin0:send_rtp_sink_1
0:00:03.931854859  7296      0x112c450 DEBUG               GST_PADS gstpad.c:1030:gst_pad_set_active:<rtpbin0:send_rtp_src_1> deactivating pad from push mode
0:00:03.931865857  7296      0x112c450 DEBUG               GST_PADS gstpad.c:919:pre_activate:<rtpbin0:send_rtp_src_1> setting PAD_MODE NONE, set flushing
0:00:03.931876692  7296      0x112c450 DEBUG               GST_PADS gstpad.c:919:pre_activate:<send_rtp_src_1:proxypad7> setting PAD_MODE NONE, set flushing
0:00:03.931886863  7296      0x112c450 DEBUG               GST_PADS gstpad.c:1184:gst_pad_activate_mode:<rtpbin0:send_rtp_src_1> already deactivated in push mode