Hello,
sorry for the delay, I've tested kernel 4.15.0-38-generic, but the problem is 
not solved.
Wifi seems, connect, but I cannot ping my domestic router...it seems that there 
are some problem sending packet on the Wifi connection, rather than 
establishing the connection with the Wifi router...
Is there any other test I can perform?



eno1: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500
        ether c8:d3:ff:dd:dd:31  txqueuelen 1000  (Ethernet)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 1000  (Loopback locale)
        RX packets 799  bytes 49878 (49.8 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 799  bytes 49878 (49.8 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0


Dhclient is not working...I've set a static ip, but interface is not working...
wlo1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.0.110  netmask 255.255.255.0  broadcast 192.168.0.255
        inet6 fe80::1383:e55e:d490:37a7  prefixlen 64  scopeid 0x20<link>
        ether 58:00:e3:ae:66:3b  txqueuelen 1000  (Ethernet)
        RX packets 7  bytes 610 (610.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 71  bytes 12872 (12.8 KB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0





wlo1      IEEE 802.11  ESSID:"Linux"  
          Mode:Managed  Frequency:2.462 GHz  Access Point: DC:EF:09:51:23:49   
          Bit Rate=150 Mb/s   Tx-Power=20 dBm   
          Retry short limit:7   RTS thr=2347 B   Fragment thr:off
          Power Management:on
          Link Quality=46/70  Signal level=-64 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:24   Missed beacon:0



Regards,
Alessio

** Attachment added: "New dmesg output"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1796576/+attachment/5200858/+files/dmesg_4.15.38-generic

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https://bugs.launchpad.net/bugs/1796576

Title:
  rtl8723be cannot connect to wifi since Kernel version
  4.15.0-33-generic

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