Reading package lists... Building dependency tree... Reading state information... E: Unable to find a source package for 3.0 Reading package lists... Building dependency tree... Reading state information... E: Unable to find a source package for 3.0 Killed old client process Internet Systems Consortium DHCP Client 4.3.2 Copyright 2004-2015 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Listening on LPF/eth0/1e:e5:21:98:61:97 Sending on LPF/eth0/1e:e5:21:98:61:97 Sending on Socket/fallback DHCPRELEASE on eth0 to 10.0.3.1 port 67 sh: 1: cd: can't cd to 3.0-*