copyparty failed to add the following files to the archive:

 file: 'etcgshadow'
error: [PermissionError] [Errno 13] Permission denied: b'rpooldatasubvol-101-disk-0etcgshadow'
-- util.py:2920 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'etcgshadow-'
error: [PermissionError] [Errno 13] Permission denied: b'rpooldatasubvol-101-disk-0etcgshadow-'
-- util.py:2920 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'etcshadow'
error: [PermissionError] [Errno 13] Permission denied: b'rpooldatasubvol-101-disk-0etcshadow'
-- util.py:2920 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'etcshadow-'
error: [PermissionError] [Errno 13] Permission denied: b'rpooldatasubvol-101-disk-0etcshadow-'
-- util.py:2920 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'etcsudoers'
error: [PermissionError] [Errno 13] Permission denied: b'rpooldatasubvol-101-disk-0etcsudoers'
-- util.py:2920 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'etcsecurityopasswd'
error: [PermissionError] [Errno 13] Permission denied: b'rpooldatasubvol-101-disk-0etcsecurityopasswd'
-- util.py:2920 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'etcsshssh_host_dsa_key'
error: [PermissionError] [Errno 13] Permission denied: b'rpooldatasubvol-101-disk-0etcsshssh_host_dsa_key'
-- util.py:2920 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'etcsshssh_host_ecdsa_key'
error: [PermissionError] [Errno 13] Permission denied: b'rpooldatasubvol-101-disk-0etcsshssh_host_ecdsa_key'
-- util.py:2920 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'etcsshssh_host_ed25519_key'
error: [PermissionError] [Errno 13] Permission denied: b'rpooldatasubvol-101-disk-0etcsshssh_host_ed25519_key'
-- util.py:2920 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'etcsshssh_host_rsa_key'
error: [PermissionError] [Errno 13] Permission denied: b'rpooldatasubvol-101-disk-0etcsshssh_host_rsa_key'
-- util.py:2920 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'etcsudoers.dREADME'
error: [PermissionError] [Errno 13] Permission denied: b'rpooldatasubvol-101-disk-0etcsudoers.dREADME'
-- util.py:2920 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'etcsudoers.dzfs'
error: [PermissionError] [Errno 13] Permission denied: b'rpooldatasubvol-101-disk-0etcsudoers.dzfs'
-- util.py:2920 <yieldfile>: with open(fsenc(fn), "rb", bufsz) as f:
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

NOTE: filepaths sanitized; see serverlog for correct values