copyparty failed to add the following files to the archive:

 file: 'fs/cgroup/cgroup.kill'
error: [OSError] [Errno 22] Invalid argument
-- util.py:3147 <yieldfile>: buf = f.read(readsz)
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'fs/cgroup/memory.reclaim'
error: [OSError] [Errno 22] Invalid argument
-- util.py:3147 <yieldfile>: buf = f.read(readsz)
-- szip.py:201 <ser>: for buf in yieldfile(src, self.args.iobuf):
-- szip.py:236 <gen>: for x in self.ser(f):

 file: 'fs/ext4/dm-0/trigger_fs_error'
error: [PermissionError] [Errno 13] Permission denied: b'/mnt/pelican/docker/rootfs/overlayfs/51f16b0eefbdfe24df9f56dc10ff919d6614597fffbc0248442550b7fad1da8d/sys/fs/ext4/dm-0/trigger_fs_error'
-- util.py:3145 <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: 'fs/ext4/sda1/trigger_fs_error'
error: [PermissionError] [Errno 13] Permission denied: b'/mnt/pelican/docker/rootfs/overlayfs/51f16b0eefbdfe24df9f56dc10ff919d6614597fffbc0248442550b7fad1da8d/sys/fs/ext4/sda1/trigger_fs_error'
-- util.py:3145 <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: 'fs/ext4/sdb/trigger_fs_error'
error: [PermissionError] [Errno 13] Permission denied: b'/mnt/pelican/docker/rootfs/overlayfs/51f16b0eefbdfe24df9f56dc10ff919d6614597fffbc0248442550b7fad1da8d/sys/fs/ext4/sdb/trigger_fs_error'
-- util.py:3145 <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: 'fs/ext4/sdc2/trigger_fs_error'
error: [PermissionError] [Errno 13] Permission denied: b'/mnt/pelican/docker/rootfs/overlayfs/51f16b0eefbdfe24df9f56dc10ff919d6614597fffbc0248442550b7fad1da8d/sys/fs/ext4/sdc2/trigger_fs_error'
-- util.py:3145 <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