erro dnsmasq.service

$ systemctl status dnsmasq.service
● dnsmasq.service - dnsmasq - A lightweight DHCP and caching DNS server
   Loaded: loaded (/lib/systemd/system/dnsmasq.service; enabled; vendor preset: enabled)
  Drop-In: /run/systemd/generator/dnsmasq.service.d
           └─50-dnsmasq-$named.conf, 50-insserv.conf-$named.conf
   Active: failed (Result: exit-code) since Sex 2019-04-26 17:11:44 BRT; 6s ago
  Process: 4187 ExecStop=/etc/init.d/dnsmasq systemd-stop-resolvconf (code=exited, status=0/SUCCESS)
  Process: 4029 ExecStartPost=/etc/init.d/dnsmasq systemd-start-resolvconf (code=exited, status=0/SUCCESS)
  Process: 4572 ExecStart=/etc/init.d/dnsmasq systemd-exec (code=exited, status=2)
  Process: 4569 ExecStartPre=/usr/sbin/dnsmasq --test (code=exited, status=0/SUCCESS)
 Main PID: 4028 (code=exited, status=0/SUCCESS)

Abr 26 17:11:44 ubuntultsp systemd[1]: Starting dnsmasq - A lightweight DHCP and caching DNS server...
Abr 26 17:11:44 ubuntultsp dnsmasq[4569]: dnsmasq: verificação de sintaxe OK.
Abr 26 17:11:44 ubuntultsp dnsmasq[4572]: dnsmasq: failed to create listening socket for 192.168.57.64: Endereço já em uso
Abr 26 17:11:44 ubuntultsp dnsmasq[4572]: failed to create listening socket for 192.168.57.64: Endereço já em uso
Abr 26 17:11:44 ubuntultsp dnsmasq[4572]: FALHA ao iniciar
Abr 26 17:11:44 ubuntultsp systemd[1]: dnsmasq.service: Control process exited, code=exited status=2
Abr 26 17:11:44 ubuntultsp systemd[1]: Failed to start dnsmasq - A lightweight DHCP and caching DNS server.
Abr 26 17:11:44 ubuntultsp systemd[1]: dnsmasq.service: Unit entered failed state.
Abr 26 17:11:44 ubuntultsp systemd[1]: dnsmasq.service: Failed with result 'exit-code'.