После апгрейда ubuntu с 14.04 до 16.04 перестали резолвиться dns.
пинг по IP идёт. по именам - нет. Подскажите, куда копать.

netstat -nr
Destination     Gateway         Genmask         Flags   MSS Window  irtt Iface
0.0.0.0         192.168.2.1     0.0.0.0         UG        0 0          0 eth1
192.168.0.0     0.0.0.0         255.255.255.0   U         0 0          0 eth0
192.168.2.0     0.0.0.0         255.255.255.0   U         0 0          0 eth1

ifconfig
eth0      Link encap:Ethernet  HWaddr 00:0c:29:c7:9c:95  
          inet addr:192.168.0.6  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::20c:29ff:fec7:9c95/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:14230 errors:0 dropped:16 overruns:0 frame:0
          TX packets:6319 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1857520 (1.8 MB)  TX bytes:6099082 (6.0 MB)

eth1      Link encap:Ethernet  HWaddr 00:0c:29:c7:9c:9f  
          inet addr:192.168.2.8  Bcast:192.168.2.255  Mask:255.255.255.0
          inet6 addr: fe80::20c:29ff:fec7:9c9f/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:6909 errors:0 dropped:0 overruns:0 frame:0
          TX packets:5514 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:6119651 (6.1 MB)  TX bytes:1127472 (1.1 MB)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:4118 errors:0 dropped:0 overruns:0 frame:0
          TX packets:4118 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:311606 (311.6 KB)  TX bytes:311606 (311.6 KB)

interfaces
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet static
address 192.168.0.6
netmask 255.255.255.0
dns-search tscom.local
dns-nameservers 192.168.0.105
auto eth1
iface eth1 inet static
address 192.168.2.8
netmask 255.255.255.0
gateway 192.168.2.1
dns-nameservers 192.168.2.1