I've noticed these warning lines in the journal, default ubuntu mate image. Default Network manager config.
NetworkManager: <warn> device (wlan0): The kernel does not support extended IFA_FLAGS needed by NM for IPv6 private addresses
followed by:
NetworkManager: <error> platform-linux: do-add-ipv6-address[4: <ipv6 addr>]: failure 22 (Invalid argument)
I've noticed these warning lines in the journal, default ubuntu mate image. Default Network manager config.
NetworkManager: <warn> device (wlan0): The kernel does not support extended IFA_FLAGS needed by NM for IPv6 private addresses
followed by:NetworkManager: <error> platform-linux: do-add-ipv6-address[4: <ipv6 addr>]: failure 22 (Invalid argument)