depois de apt update && upgrade no ubuntu 17.10 algo aconteceu com wifi.
Eu tentei muitas soluções, mas não encontrei.
Há wireless-info
ping command log:
ping -c 5 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
From 192.168.0.14 icmp_seq=1 Destination Host Unreachable
From 192.168.0.14 icmp_seq=2 Destination Host Unreachable
From 192.168.0.14 icmp_seq=3 Destination Host Unreachable
From 192.168.0.14 icmp_seq=4 Destination Host Unreachable
From 192.168.0.14 icmp_seq=5 Destination Host Unreachable
--- 8.8.8.8 ping statistics ---
5 packets transmitted, 0 received, +5 errors, 100% packet loss, time 4055ms
pipe 3