[1611608043] unbound[2716:0] notice: Start of unbound 1.9.4.
[1611608043] unbound[2716:0] debug: increased limit(open files) from 1024 to 4152
[1611608043] unbound[2716:0] debug: creating udp6 socket ::1 53
[1611608043] unbound[2716:0] debug: creating tcp6 socket ::1 53
[1611608043] unbound[2716:0] error: can't bind socket: Address already in use for ::1 port 53 (len 28)
[1611608043] unbound[2716:0] fatal error: could not open ports