[systemd-devel] Timeout Waiting for Device

[gw1500]

I don't know the significance of this error when I start my network
(CentOS 7) but it does not seem to effect anything I've noticed. Can
someone tell me what this means, what it might effect and how to fix it?
TIA.

Sep 16 09:34:38 dap002 systemd[1]: Job dev-disk-by\x2duuid-11d33833\x2d3e21\x2d4654\x2d8c0f\x2dab76a73f7de2.device/start timed out.
Sep 16 09:34:38 dap002 systemd[1]: Timed out waiting for device dev-disk-by\x2duuid-11d33833\x2d3e21\x2d4654\x2d8c0f\x2dab76a73f7de2.device.
-- Subject: Unit dev-disk-by\x2duuid-11d33833\x2d3e21\x2d4654\x2d8c0f\x2dab76a73f7de2.device has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- -- Unit
dev-disk-by\x2duuid-11d33833\x2d3e21\x2d4654\x2d8c0f\x2dab76a73f7de2.device
has failed.
-- -- The result is timeout. Sep 16 09:34:38 dap002 systemd[1]:
Dependency failed for
/dev/disk/by-uuid/11d33833-3e21-4654-8c0f-ab76a73f7de2. -- Subject: Unit
dev-disk-by\x2duuid-11d33833\x2d3e21\x2d4654\x2d8c0f\x2dab76a73f7de2.swap
has failed -- Defined-By: systemd -- Support:
http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- -- Unit
dev-disk-by\x2duuid-11d33833\x2d3e21\x2d4654\x2d8c0f\x2dab76a73f7de2.swap
has failed.
-- -- The result is dependency. Sep 16 09:34:38 dap002 systemd[1]: Job
dev-disk-by\x2duuid-11d33833\x2d3e21\x2d4654\x2d8c0f\x2dab76a73f7de2.swap/start
failed with result 'dependency'. Sep 16 09:34:38 dap002 systemd[1]: Job
dev-disk-by\x2duuid-11d33833\x2d3e21\x2d4654\x2d8c0f\x2dab76a73f7de2.device/start
failed with result 'timeout'. Sep 16 09:34:56 dap002 sudo[32540]: dap :
TTY=pts/0 ; PWD=/home/dap/Downloads ; USER=root ; COMMAND=/sbin/service
network status Sep 16 09:35:48 dap002 sudo[306]: dap : TTY=pts/0 ;
PWD=/home/dap/Downloads ; USER=root ; COMMAND=/bin/bash Sep 16 09:35:48
dap002 dbus[704]: [system] Activating service
name='org.freedesktop.problems' (using servicehelper) Sep 16 09:35:48
dap002 dbus[704]: [system] Successfully activated service
'org.freedesktop.problems'