A internet volta a funcionar em duas situações:
1 - Retirar a eth0 do interfaces e reiniciar o pc (dar restart na rede não resolve);
2 - Tirar o cabo da eth0 e reiniciar o pc (dar restart na rede não resolve).
Aqui o resultado daqueles comandos quando a internet está funcionando:
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root@dti:~# route
Tabela de Roteamento IP do Kernel
Destino Roteador MáscaraGen. Opções Métrica Ref Uso Iface
default rt-altamira.loc 0.0.0.0 UG 100 0 0 eth1
10.210.8.0 * 255.255.255.0 U 0 0 0 eth1
link-local * 255.255.0.0 U 1000 0 0 eth0
192.168.0.0 * 255.255.255.0 U 0 0 0 eth0
root@dti:~# route -n
Tabela de Roteamento IP do Kernel
Destino Roteador MáscaraGen. Opções Métrica Ref Uso Iface
0.0.0.0 10.210.8.254 0.0.0.0 UG 100 0 0 eth1
10.210.8.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 eth0
192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
root@dti:~# route del -net default
root@dti:~# route add -net default gw 10.210.8.254
root@dti:~# route -n
Tabela de Roteamento IP do Kernel
Destino Roteador MáscaraGen. Opções Métrica Ref Uso Iface
0.0.0.0 10.210.8.254 0.0.0.0 UG 0 0 0 eth1
10.210.8.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 eth0
192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
root@dti:~# traceroute -n 8.8.8.8
traceroute to 8.8.8.8 (8.8.8.
, 30 hops max, 60 byte packets
1 10.210.8.254 0.232 ms 0.211 ms 0.195 ms
2 172.17.210.6 216.957 ms 216.979 ms 217.075 ms
3 10.200.2.1 216.839 ms 217.511 ms 218.200 ms
4 200.239.67.9 349.485 ms 349.565 ms 349.657 ms
5 200.143.253.9 349.747 ms 349.841 ms 350.086 ms
6 * * *
7 200.143.252.146 407.690 ms * *
8 200.143.252.141 437.160 ms 437.138 ms 436.827 ms
9 200.143.252.73 457.668 ms 351.737 ms 351.618 ms
10 187.16.216.55 351.653 ms 351.675 ms *
11 * 209.85.243.198 294.664 ms 261.925 ms
12 72.14.233.91 282.946 ms 72.14.233.89 282.939 ms 72.14.233.95 261.814 ms
13 64.233.175.54 236.196 ms 64.233.175.62 271.608 ms 64.233.175.58 271.680 ms
14 8.8.8.8 236.573 ms 235.902 ms 275.343 ms
root@dti:~# ping -c 4 10.210.8.254
PING 10.210.8.254 (10.210.8.254) 56(84) bytes of data.
64 bytes from 10.210.8.254: icmp_req=1 ttl=64 time=0.249 ms
64 bytes from 10.210.8.254: icmp_req=2 ttl=64 time=0.208 ms
64 bytes from 10.210.8.254: icmp_req=3 ttl=64 time=0.206 ms
64 bytes from 10.210.8.254: icmp_req=4 ttl=64 time=0.220 ms
--- 10.210.8.254 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 2997ms
rtt min/avg/max/mdev = 0.206/0.220/0.249/0.025 ms