• Unmounting network filesystems ...
• Unmounting /sys ...
• in use but fuser finds nothing
  [ !! ]
• Unmounting /dev/pts ...
• failed because we are using /dev/pts
  [ !! ]
• Unmounting /dev ...
• failed because we are using /dev
  [ !! ]
• Unmounting /proc ...
• in use but fuser finds nothing
  [ !! ]
  [ ok ]

If /etc/conf.d/netif.eth0 has template=dhcpcd this error appears:

• Network dhcpcd eth0 down ...
• start-stop-daemon: 1 process refused to stop