Latest Ubuntu 11 user agents:

User Agent Browser Device
Mozilla/5.0 (X11; U; Linux x86_64; it-it) AppleWebKit/534.26+ (KHTML, like Gecko) Ubuntu/11.04 Epiphany/2.30.6 GNOME Web 2 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu/11.10 Chromium/80.0.3987.163 Chrome/80.0.3987.163 Safari/537.36 Chromium 80 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.7 (KHTML, like Gecko) Ubuntu/11.10 Chromium/16.0.912.77 Chrome/16.0.912.77 Safari/535.7 Chromium 16 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.7 (KHTML, like Gecko) Ubuntu/11.10 Chromium/16.0.912.75 Chrome/16.0.912.75 Safari/535.7 Chromium 16 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.7 (KHTML, like Gecko) Ubuntu/11.04 Chromium/16.0.912.77 Chrome/16.0.912.77 Safari/535.7 Chromium 16 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.2 (KHTML, like Gecko) Ubuntu/11.10 Chromium/15.0.874.106 Chrome/15.0.874.106 Safari/535.2 Chromium 15 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.2 (KHTML, like Gecko) Ubuntu/11.04 Chromium/15.0.871.0 Chrome/15.0.871.0 Safari/535.3 Chromium 15 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.19 (KHTML, like Gecko) Ubuntu/11.10 Chromium/18.0.1025.168 Chrome/18.0.1025.168 Safari/535.19 Chromium 18 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.19 (KHTML, like Gecko) Ubuntu/11.10 Chromium/18.0.1025.151 Chrome/18.0.1025.151 Safari/535.19 Chromium 18 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.19 (KHTML, like Gecko) Ubuntu/11.04 Chromium/18.0.1025.168 Chrome/18.0.1025.168 Safari/535.19 Chromium 18 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.19 (KHTML, like Gecko) Ubuntu/11.04 Chromium/18.0.1025.151 Chrome/18.0.1025.151 Safari/535.19 Chromium 18 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.11 (KHTML, like Gecko) Ubuntu/11.10 Chromium/85.0.4183.121 Chrome/85.0.4183.121 Safari/537.36 Chromium 85 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.11 (KHTML, like Gecko) Ubuntu/11.10 Chromium/83.0.4103.61 Chrome/84.0.4147.21 Safari/537.36 Chromium 83 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.11 (KHTML, like Gecko) Ubuntu/11.10 Chromium/82.0.4072.0 Chrome/82.0.4072.0 Safari/537.36 Chromium 82 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.11 (KHTML, like Gecko) Ubuntu/11.10 Chromium/80.0.1453.93 Chrome/80.0.1453.93 Safari/537.36 Chromium 80 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.11 (KHTML, like Gecko) Ubuntu/11.10 Chromium/69.0.3497.100 Chrome/69.0.3497.100 Safari/537.36 Chromium 69 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.11 (KHTML, like Gecko) Ubuntu/11.10 Chromium/27.0.1453.93 Chrome/27.0.1453.93 Safari/537.36 Chromium 27 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.11 (KHTML, like Gecko) Ubuntu/11.10 Chromium/17.0.963.79 Chrome/17.0.963.79 Safari/535.11 Chromium 17 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.11 (KHTML, like Gecko) Ubuntu/11.10 Chromium/17.0.963.56 Chrome/17.0.963.56 Safari/535.11 Chromium 17 Unknown
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.11 (KHTML, like Gecko) Ubuntu/11.04 Chromium/17.0.963.56 Chrome/17.0.963.56 Safari/535.11 Chromium 17 Unknown