Was bedeuten die folgenden Warnings im CLI?
[Dec 8 07:37:35] WARNING[29133]: pjproject: <?>: tsx0x7fbf6148b788 Transport failed to send Response msg 200/SUBSCRIBE/cseq=17704 (tdta0x7fbf6139f2f8)!: Broken pipe
[Dec 8 07:37:35] WARNING[29133]: pjproject: <?>: tsx0x7fbf94141118 Transport failed to send Response msg 200/SUBSCRIBE/cseq=15708 (tdta0x7fbf6103e8c8)!: Broken pipe
[Dec 8 07:37:35] WARNING[29133]: pjproject: <?>: tsx0x7fbf62d7e228 Transport failed to send Response msg 200/SUBSCRIBE/cseq=15448 (tdta0x7fbf60ad2ec8)!: Broken pipe
[Dec 8 07:37:35] WARNING[29133]: pjproject: <?>: tsx0x7fbf60d0dd08 Transport failed to send Response msg 200/SUBSCRIBE/cseq=22366 (tdta0x7fbf60c88718)!: Broken pipe