1. Stateless auto-configuration out-of-the-box

Is supported and seen on the assigned link-local address after an IPv6-enabled interface is up.

Example:

# ip -6 addr show dev eth0 scope link
2: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qlen1000
    inet6 fe80::211:d8ff:fe6b:f0f5/64 scope link
       valid_lft forever preferred_lft forever