/var/log/messages while using nm-applet

Nov  1 16:22:40 localhost NetworkManager[1599]: <info> Activation (eth0) starting connection 'Reliance'
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> (eth0): device state change: 3 -> 4 (reason 0)
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> Activation (eth0) Stage 1 of 5 (Device Prepare) scheduled...
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> Activation (eth0) Stage 1 of 5 (Device Prepare) started...
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> Activation (eth0) Stage 2 of 5 (Device Configure) scheduled...
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> Activation (eth0) Stage 1 of 5 (Device Prepare) complete.
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> Activation (eth0) Stage 2 of 5 (Device Configure) starting...
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> (eth0): device state change: 4 -> 5 (reason 0)
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> Activation (eth0) Stage 2 of 5 (Device Configure) successful.
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> Activation (eth0) Stage 3 of 5 (IP Configure Start) scheduled.
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> Activation (eth0) Stage 2 of 5 (Device Configure) complete.
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> Activation (eth0) Stage 3 of 5 (IP Configure Start) started...
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> (eth0): device state change: 5 -> 7 (reason 0)
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> Activation (eth0) Beginning DHCPv4 transaction (timeout in 45 seconds)
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> dhclient started with pid 2139
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> Activation (eth0) Beginning IP6 addrconf.
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> Activation (eth0) Stage 3 of 5 (IP Configure Start) complete.
Nov  1 16:22:40 localhost dhclient: Internet Systems Consortium DHCP Client 4.2.0
Nov  1 16:22:40 localhost dhclient: Copyright 2004-2010 Internet Systems Consortium.
Nov  1 16:22:40 localhost dhclient: All rights reserved.
Nov  1 16:22:40 localhost dhclient: For info, please visit https://www.isc.org/software/dhcp/
Nov  1 16:22:40 localhost dhclient:
Nov  1 16:22:40 localhost NetworkManager[1599]: <info> (eth0): DHCPv4 state changed nbi -> preinit
Nov  1 16:22:40 localhost dhclient: Listening on LPF/eth0/00:19:d1:3c:74:6e
Nov  1 16:22:40 localhost dhclient: Sending on   LPF/eth0/00:19:d1:3c:74:6e
Nov  1 16:22:40 localhost dhclient: Sending on   Socket/fallback
Nov  1 16:22:43 localhost dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 7
Nov  1 16:22:50 localhost dhclient: DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 14
Nov  1 16:23:00 localhost NetworkManager[1599]: <info> (eth0): IP6 addrconf timed out or failed.
Nov  1 16:23:00 localhost NetworkManager[1599]: <info> Activation (eth0) Stage 4 of 5 (IP6 Configure Timeout) scheduled...
Nov  1 16:23:00 localhost NetworkManager[1599]: <info> Activation (eth0) Stage 4 of 5 (IP6 Configure Timeout) started...
Nov  1 16:23:00 localhost NetworkManager[1599]: <info> (eth0): device state change: 7 -> 9 (reason 5)
Nov  1 16:23:00 localhost NetworkManager[1599]: <info> Marking connection 'Reliance' invalid.
Nov  1 16:23:00 localhost NetworkManager[1599]: <warn> Activation (eth0) failed.
Nov  1 16:23:00 localhost NetworkManager[1599]: <info> Activation (eth0) Stage 4 of 5 (IP6 Configure Timeout) complete.
Nov  1 16:23:00 localhost NetworkManager[1599]: <info> (eth0): device state change: 9 -> 3 (reason 0)
Nov  1 16:23:00 localhost NetworkManager[1599]: <info> (eth0): deactivating device (reason: 0).
Nov  1 16:23:00 localhost NetworkManager[1599]: <info> (eth0): canceled DHCP transaction, DHCP client pid 2139