copyparty failed to add the following files to the archive:

 file: 'ns/cgroup'
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: 'ns/ipc'
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: 'ns/mnt'
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: 'ns/net'
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: 'ns/pid'
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: 'ns/pid_for_children'
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: 'ns/time'
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: 'ns/time_for_children'
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: 'ns/user'
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: 'ns/uts'
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):
