Segfault during internet client connection on 2.4.14

Version is urbackup-server/focal,now 2.4.14.0-1ubuntu1~focal amd64
Ubuntu 20.04 LTS

While Windows internet client connects, the server crashes with output in syslog

Jan 17 11:48:40 web311 kernel: [ 247.357919] InternetService[700]: segfault at ffffffff9cabdf74 ip 00007f03d2d18e42 sp 00007f038e7fb608 error 5 in libc-2.31.so[7f03d2c7f000+178000]
Jan 17 11:48:40 web311 kernel: [ 247.357925] Code: 10 54 16 f0 0f 10 5c 16 e0 0f 11 07 0f 11 4f 10 0f 11 54 17 f0 0f 11 5c 17 e0 c3 48 39 f7 0f 87 8c 00 00 00 0f 84 28 ff ff ff <0f> 10 26 0f 10 6c 16 f0 0f 10 74 16 e0 0f 10 7c 16 d0 44 0f 10 44

Found same issue here with solution: Urbackupsrv crashes on Ubuntu 20.04 - #7 by capi