Description of problem:
Most likely related to https://bugzilla.redhat.com/show_bug.cgi?id=1285319 segfault during a dnf update.

Version-Release number of selected component:
dnf-1.1.4-1.fc23

Additional info:
reporter:       libreport-2.6.3
cmdline:        /usr/bin/python3 -OO /bin/dnf update
executable:     /bin/dnf
kernel:         4.2.5-300.fc23.x86_64
runlevel:       N 5
type:           Python3
uid:            0

Truncated backtrace:
output.py:2194:scriptout:OSError: [Errno 5] Input/output error

Traceback (most recent call last):
  File "/usr/lib/python3.4/site-packages/dnf/yum/rpmtrans.py", line 431, in callback
    self._scriptStop(bytes, total, h);
  File "/usr/lib/python3.4/site-packages/dnf/yum/rpmtrans.py", line 573, in _scriptStop
    self._scriptout()
  File "/usr/lib/python3.4/site-packages/dnf/yum/rpmtrans.py", line 219, in _scriptout
    display.scriptout(msgs)
  File "/usr/lib/python3.4/site-packages/dnf/cli/output.py", line 2194, in scriptout
    sys.stdout.write(ucd(msgs))
OSError: [Errno 5] Input/output error

Local variables in innermost frame:
msgs: b'warning: %post(gvfs-1.26.2-1.fc23.x86_64) scriptlet failed, signal 1\n'
self: <dnf.cli.output.CliTransactionDisplay object at 0x7f9afb779470>