Feb 16 14:27:12 pbertra-T420-U NetworkManager[758]: (eth0): carrier now OFF (device state 100, deferring action for 4 seconds) Feb 16 14:27:12 pbertra-T420-U kernel: [ 217.068271] e1000: eth0 NIC Link is Down Feb 16 14:27:12 pbertra-T420-U kernel: [ 217.068361] e1000 0000:00:03.0 eth0: Reset adapter Feb 16 14:27:16 pbertra-T420-U NetworkManager[758]: (eth0): device state change: activated -> unavailable (reason 'carrier-changed') [100 20 40] Feb 16 14:27:16 pbertra-T420-U NetworkManager[758]: (eth0): deactivating device (reason 'carrier-changed') [40] Feb 16 14:27:17 pbertra-T420-U kernel: [ 221.211414] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready Feb 16 14:27:17 pbertra-T420-U NetworkManager[758]: (eth0): canceled DHCP transaction, DHCP client pid 1030 Feb 16 14:27:17 pbertra-T420-U avahi-daemon[535]: Withdrawing address record for fe80::a00:27ff:fead:b76d on eth0. Feb 16 14:27:17 pbertra-T420-U avahi-daemon[535]: Leaving mDNS multicast group on interface eth0.IPv6 with address fe80::a00:27ff:fead:b76d. Feb 16 14:27:17 pbertra-T420-U avahi-daemon[535]: Interface eth0.IPv6 no longer relevant for mDNS. Feb 16 14:27:17 pbertra-T420-U avahi-daemon[535]: Withdrawing address record for 10.0.2.15 on eth0. Feb 16 14:27:17 pbertra-T420-U avahi-daemon[535]: Leaving mDNS multicast group on interface eth0.IPv4 with address 10.0.2.15. Feb 16 14:27:17 pbertra-T420-U avahi-daemon[535]: Interface eth0.IPv4 no longer relevant for mDNS. Feb 16 14:27:17 pbertra-T420-U NetworkManager[758]: DNS: plugin dnsmasq update failed Feb 16 14:27:17 pbertra-T420-U NetworkManager[758]: Removing DNS information from /sbin/resolvconf Feb 16 14:27:17 pbertra-T420-U whoopsie[1026]: offline Feb 16 14:27:17 pbertra-T420-U dnsmasq[1272]: setting upstream servers from DBus Feb 16 14:27:17 pbertra-T420-U NetworkManager[758]: NetworkManager state is now DISCONNECTED Feb 16 14:27:17 pbertra-T420-U dbus[468]: [system] Activating service name='org.freedesktop.nm_dispatcher' (using servicehelper) Feb 16 14:27:17 pbertra-T420-U dbus[468]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' Feb 16 14:27:18 pbertra-T420-U dnsmasq[1120]: no servers found in /etc/resolv.conf, will retry Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: (eth0): carrier now ON (device state 20) Feb 16 14:27:18 pbertra-T420-U kernel: [ 223.144769] e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX Feb 16 14:27:18 pbertra-T420-U kernel: [ 223.145202] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: (eth0): device state change: unavailable -> disconnected (reason 'carrier-changed') [20 30 40] Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Auto-activating connection 'Wired connection 1'. Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) starting connection 'Wired connection 1' Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: (eth0): device state change: disconnected -> prepare (reason 'none') [30 40 0] Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: NetworkManager state is now CONNECTING Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 1 of 5 (Device Prepare) scheduled... Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 1 of 5 (Device Prepare) started... Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 2 of 5 (Device Configure) scheduled... Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 1 of 5 (Device Prepare) complete. Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 2 of 5 (Device Configure) starting... Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: (eth0): device state change: prepare -> config (reason 'none') [40 50 0] Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 2 of 5 (Device Configure) successful. Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 3 of 5 (IP Configure Start) scheduled. Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 2 of 5 (Device Configure) complete. Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 3 of 5 (IP Configure Start) started... Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: (eth0): device state change: config -> ip-config (reason 'none') [50 70 0] Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) Beginning DHCPv4 transaction (timeout in 45 seconds) Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: dhclient started with pid 3801 Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) Beginning IP6 addrconf. Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 3 of 5 (IP Configure Start) complete. Feb 16 14:27:18 pbertra-T420-U dhclient: Internet Systems Consortium DHCP Client 4.2.4 Feb 16 14:27:18 pbertra-T420-U dhclient: Copyright 2004-2012 Internet Systems Consortium. Feb 16 14:27:18 pbertra-T420-U dhclient: All rights reserved. Feb 16 14:27:18 pbertra-T420-U dhclient: For info, please visit https://www.isc.org/software/dhcp/ Feb 16 14:27:18 pbertra-T420-U dhclient: Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: (eth0): DHCPv4 state changed nbi -> preinit Feb 16 14:27:18 pbertra-T420-U dhclient: Listening on LPF/eth0/08:00:27:ad:b7:6d Feb 16 14:27:18 pbertra-T420-U dhclient: Sending on LPF/eth0/08:00:27:ad:b7:6d Feb 16 14:27:18 pbertra-T420-U dhclient: Sending on Socket/fallback Feb 16 14:27:18 pbertra-T420-U dhclient: DHCPREQUEST of 10.0.2.15 on eth0 to 255.255.255.255 port 67 (xid=0x1d0120b2) Feb 16 14:27:18 pbertra-T420-U dhclient: DHCPACK of 10.0.2.15 from 10.0.2.2 Feb 16 14:27:18 pbertra-T420-U dhclient: bound to 10.0.2.15 -- renewal in 35581 seconds. Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: (eth0): DHCPv4 state changed preinit -> reboot Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: address 10.0.2.15 Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: prefix 24 (255.255.255.0) Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: gateway 10.0.2.2 Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: nameserver '10.100.0.1' Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: nameserver '10.100.0.2' Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: nameserver '10.100.0.3' Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: domain name 'lln.iba' Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 5 of 5 (IPv4 Configure Commit) scheduled... Feb 16 14:27:18 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 5 of 5 (IPv4 Commit) started... Feb 16 14:27:18 pbertra-T420-U avahi-daemon[535]: Joining mDNS multicast group on interface eth0.IPv4 with address 10.0.2.15. Feb 16 14:27:18 pbertra-T420-U avahi-daemon[535]: New relevant interface eth0.IPv4 for mDNS. Feb 16 14:27:18 pbertra-T420-U avahi-daemon[535]: Registering new address record for 10.0.2.15 on eth0.IPv4. Feb 16 14:27:19 pbertra-T420-U avahi-daemon[535]: Joining mDNS multicast group on interface eth0.IPv6 with address fe80::a00:27ff:fead:b76d. Feb 16 14:27:19 pbertra-T420-U avahi-daemon[535]: New relevant interface eth0.IPv6 for mDNS. Feb 16 14:27:19 pbertra-T420-U avahi-daemon[535]: Registering new address record for fe80::a00:27ff:fead:b76d on eth0.*. Feb 16 14:27:19 pbertra-T420-U NetworkManager[758]: (eth0): device state change: ip-config -> secondaries (reason 'none') [70 90 0] Feb 16 14:27:19 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 5 of 5 (IPv4 Commit) complete. Feb 16 14:27:20 pbertra-T420-U NetworkManager[758]: (eth0): device state change: secondaries -> activated (reason 'none') [90 100 0] Feb 16 14:27:20 pbertra-T420-U NetworkManager[758]: NetworkManager state is now CONNECTED_GLOBAL Feb 16 14:27:20 pbertra-T420-U NetworkManager[758]: Policy set 'Wired connection 1' (eth0) as default for IPv4 routing and DNS. Feb 16 14:27:20 pbertra-T420-U NetworkManager[758]: Writing DNS information to /sbin/resolvconf Feb 16 14:27:20 pbertra-T420-U dnsmasq[1272]: setting upstream servers from DBus Feb 16 14:27:20 pbertra-T420-U dnsmasq[1272]: using nameserver 10.100.0.3#53 Feb 16 14:27:20 pbertra-T420-U dnsmasq[1272]: using nameserver 10.100.0.2#53 Feb 16 14:27:20 pbertra-T420-U dnsmasq[1272]: using nameserver 10.100.0.1#53 Feb 16 14:27:20 pbertra-T420-U NetworkManager[758]: Activation (eth0) successful, device activated. Feb 16 14:27:20 pbertra-T420-U whoopsie[1026]: online Feb 16 14:27:26 pbertra-T420-U ntpdate[3894]: adjust time server 91.189.94.4 offset 0.007287 sec Feb 16 14:27:38 pbertra-T420-U NetworkManager[758]: (eth0): IP6 addrconf timed out or failed. Feb 16 14:27:38 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 4 of 5 (IPv6 Configure Timeout) scheduled... Feb 16 14:27:38 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 4 of 5 (IPv6 Configure Timeout) started... Feb 16 14:27:38 pbertra-T420-U NetworkManager[758]: Activation (eth0) Stage 4 of 5 (IPv6 Configure Timeout) complete.