I have this problem as well on Lenovo Thinkpad X230i both with WLAN and wired connections.
dnsmasq-base/xenial-updates,xenial-security,now 2.75-1ubuntu0.16.04.1 amd64 [installed,automatic] Small caching DNS proxy and DHCP/TFTP server
I will try the patched version and see how it goes.
I have this problem as well on Lenovo Thinkpad X230i both with WLAN and wired connections.
dnsmasq- base/xenial- updates, xenial- security, now 2.75-1ubuntu0. 16.04.1 amd64 [installed, automatic]
Small caching DNS proxy and DHCP/TFTP server
I will try the patched version and see how it goes.