diff -Nru kpmcore-21.12.3/debian/changelog kpmcore-21.12.3/debian/changelog
--- kpmcore-21.12.3/debian/changelog	2022-07-28 14:40:30.000000000 +0000
+++ kpmcore-21.12.3/debian/changelog	2022-08-07 08:45:26.000000000 +0000
@@ -1,3 +1,10 @@
+kpmcore (21.12.3-3+rpi1) bookworm-staging; urgency=medium
+
+  [changes brought forward from 20.12.2-4+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Tue, 23 Feb 2021 15:11:08 +0000]
+  * Update symbols file for raspbian.
+
+ -- Raspbian forward porter <root@raspbian.org>  Sun, 07 Aug 2022 08:45:26 +0000
+
 kpmcore (21.12.3-3) unstable; urgency=medium
 
   * Team upload.
diff -Nru kpmcore-21.12.3/debian/libkpmcore11.symbols kpmcore-21.12.3/debian/libkpmcore11.symbols
--- kpmcore-21.12.3/debian/libkpmcore11.symbols	2022-07-28 14:32:59.000000000 +0000
+++ kpmcore-21.12.3/debian/libkpmcore11.symbols	2022-08-07 08:45:26.000000000 +0000
@@ -1388,11 +1388,12 @@
  _ZTIN2FS8reiserfsE@Base 21.12.1
  _ZTIN2FS9bitlockerE@Base 21.12.1
  _ZTIN2FS9linuxswapE@Base 21.12.1
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZTISt11_Mutex_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 21.12.1
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZTISt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 21.12.1
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZTISt23_Sp_counted_ptr_inplaceI11SmartStatusSaIS0_ELN9__gnu_cxx12_Lock_policyE2EE@Base 21.12.1
  (arch=armel riscv64)_ZTIN9__gnu_cxx7__mutexE@Base 21.12.2
  (arch=armel riscv64)_ZTISt11_Mutex_baseILN9__gnu_cxx12_Lock_policyE1EE@Base 21.12.2
- (arch=!armel !riscv64)_ZTISt11_Mutex_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 21.12.1
  (arch=armel riscv64)_ZTISt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE1EE@Base 21.12.2
- (arch=!armel !riscv64)_ZTISt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 21.12.1
  (arch=armel armhf)_ZTISt19_Sp_make_shared_tag@Base 21.12.2
  (arch=riscv64)_ZTISt23_Sp_counted_ptr_inplaceI11SmartStatusSaIS0_ELN9__gnu_cxx12_Lock_policyE1EE@Base 21.12.2
  (arch=armel)_ZTISt23_Sp_counted_ptr_inplaceI11SmartStatusSaIvELN9__gnu_cxx12_Lock_policyE1EE@Base 21.12.3
@@ -1467,11 +1468,11 @@
  _ZTSN2FS8reiserfsE@Base 21.12.1
  _ZTSN2FS9bitlockerE@Base 21.12.1
  _ZTSN2FS9linuxswapE@Base 21.12.1
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZTSSt11_Mutex_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 21.12.1
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZTSSt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 21.12.1
  (arch=armel riscv64)_ZTSN9__gnu_cxx7__mutexE@Base 21.12.2
  (arch=armel riscv64)_ZTSSt11_Mutex_baseILN9__gnu_cxx12_Lock_policyE1EE@Base 21.12.2
- (arch=!armel !riscv64)_ZTSSt11_Mutex_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 21.12.1
  (arch=armel riscv64)_ZTSSt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE1EE@Base 21.12.2
- (arch=!armel !riscv64)_ZTSSt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 21.12.1
  _ZTSSt19_Sp_make_shared_tag@Base 21.12.1
  (arch=riscv64)_ZTSSt23_Sp_counted_ptr_inplaceI11SmartStatusSaIS0_ELN9__gnu_cxx12_Lock_policyE1EE@Base 21.12.2
  (arch=armel)_ZTSSt23_Sp_counted_ptr_inplaceI11SmartStatusSaIvELN9__gnu_cxx12_Lock_policyE1EE@Base 21.12.3