Не могу подключиться по ethernet, с wi-fi проблем нет. Ноутбук ThinkPad P50s с ubuntu 16.04x64 на борту, месяц работал без проблем, сегодня при выходе из ждущего режима не смог получить адрес, вот логи:
syslog:
Jul 13 09:33:19 mystdeim dhclient[5076]: DHCPDISCOVER on enp0s31f6 to 255.255.255.255 port 67 interval 3 (xid=0xa0538745)
Jul 13 09:33:22 mystdeim dhclient[5076]: DHCPDISCOVER on enp0s31f6 to 255.255.255.255 port 67 interval 3 (xid=0xa0538745)
Jul 13 09:33:25 mystdeim dhclient[5076]: DHCPDISCOVER on enp0s31f6 to 255.255.255.255 port 67 interval 7 (xid=0xa0538745)
Jul 13 09:33:32 mystdeim dhclient[5076]: DHCPDISCOVER on enp0s31f6 to 255.255.255.255 port 67 interval 11 (xid=0xa0538745)
Jul 13 09:33:43 mystdeim dhclient[5076]: DHCPDISCOVER on enp0s31f6 to 255.255.255.255 port 67 interval 12 (xid=0xa0538745)
Jul 13 09:33:55 mystdeim dhclient[5076]: DHCPDISCOVER on enp0s31f6 to 255.255.255.255 port 67 interval 20 (xid=0xa0538745)
Jul 13 09:34:05 mystdeim NetworkManager[4472]: <warn> [1468391645.0177] dhcp4 (enp0s31f6): request timed out
Jul 13 09:34:05 mystdeim NetworkManager[4472]: <info> [1468391645.0179] dhcp4 (enp0s31f6): state changed unknown -> timeout
Jul 13 09:34:05 mystdeim NetworkManager[4472]: <info> [1468391645.0506] dhcp4 (enp0s31f6): canceled DHCP transaction, DHCP client pid 5076
Jul 13 09:34:05 mystdeim NetworkManager[4472]: <info> [1468391645.0507] dhcp4 (enp0s31f6): state changed timeout -> done
Jul 13 09:34:05 mystdeim NetworkManager[4472]: <info> [1468391645.0517] device (enp0s31f6): state change: ip-config -> failed (reason 'ip-config-unavailable') [70 120 5]
Jul 13 09:34:05 mystdeim NetworkManager[4472]: <info> [1468391645.0525] manager: NetworkManager state is now CONNECTED_LOCAL
Jul 13 09:34:05 mystdeim NetworkManager[4472]: <info> [1468391645.0531] policy: disabling autoconnect for connection 'Wired connection 1'.
Jul 13 09:34:05 mystdeim NetworkManager[4472]: <warn> [1468391645.0540] device (enp0s31f6): Activation: failed for connection 'Wired connection 1'
Jul 13 09:34:05 mystdeim NetworkManager[4472]: <info> [1468391645.0563] device (enp0s31f6): state change: failed -> disconnected (reason 'none') [120 30 0]
sudo tcpdump -n -nn -tttt -i enp0s31f6 port 67:
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on enp0s31f6, link-type EN10MB (Ethernet), capture size 262144 bytes
2016-07-13 12:30:45.014352 IP 10.30.58.250.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 50:7b:9d:06:01:bc, length 300
2016-07-13 12:30:45.403102 IP 10.30.58.86.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 50:7b:9d:16:a9:32, length 300
2016-07-13 12:30:46.015820 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 54:ee:75:9b:7e:9c, length 300
2016-07-13 12:30:46.370526 IP 10.30.58.183.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 54:ee:75:34:c1:14, length 300
2016-07-13 12:30:46.376568 IP 10.30.58.1.67 > 255.255.255.255.68: BOOTP/DHCP, Reply, length 300
2016-07-13 12:30:47.887490 IP 10.30.58.145.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 50:7b:9d:1a:a4:e5, length 300
2016-07-13 12:30:47.893493 IP 10.30.58.1.67 > 255.255.255.255.68: BOOTP/DHCP, Reply, length 300
2016-07-13 12:30:48.515169 IP 10.30.58.58.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 3c:97:0e:dc:47:d4, length 300
2016-07-13 12:30:49.601826 IP 0.0.0.0.68 > 255.255.255.255.67: BOOTP/DHCP, Request from 54:ee:75:9b:7e:9c, length 300
9 packets captured
9 packets received by filter
0 packets dropped by kernel
dmesg | grep enp0s31f6
[ 1.752581] e1000e 0000:00:1f.6 enp0s31f6: renamed from eth0
[ 11.073182] IPv6: ADDRCONF(NETDEV_UP): enp0s31f6: link is not ready
[ 11.277425] IPv6: ADDRCONF(NETDEV_UP): enp0s31f6: link is not ready
[ 14.826997] e1000e: enp0s31f6 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
[ 14.827047] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s31f6: link becomes ready
[ 541.297037] device enp0s31f6 entered promiscuous mode
[ 547.027469] device enp0s31f6 left promiscuous mode
[ 1565.561176] device enp0s31f6 entered promiscuous mode
[ 1584.858217] device enp0s31f6 left promiscuous mod
На всякий случай отключил ipv6, но без результата, подскажите куда копать