*±ÜÍ÷
 # avahi-browse -art
 +    em0 IPv4 ns4                                           _ssh._tcp            nonato.local
 +    em0 IPv4 ns4                                           _sftp-ssh._tcp       nonato.local
 =    em0 IPv4 ns4                                           _ssh._tcp            nonato.local
    hostname = [ns4.nonato.local]
    address = [192.168.61.9]
    port = [22]
    txt = []
 =    em0 IPv4 ns4                                           _sftp-ssh._tcp       nonato.local
    hostname = [ns4.nonato.local]
    address = [192.168.61.9]
    port = [22]
    txt = []