# File lib/specinfra/command/freebsd/base/interface.rb, line 47
    def get_ipv6_address(interface)
      # Awk refuses to print '/' even with using escapes or hex so workaround with sed employed here.
      "ifconfig #{interface} inet6 | grep inet6 | awk '{print $2$3$4}' | sed 's/prefixlen/\//'; exit"
    end