Merge remote-tracking branches 'lr/lr-unmanaged-slaves', 'lr/lr-ipv6-tokens', 'lr/lr-ap', 'lr/lr-rdisc-mtu', 'lr/lr-rpm', 'lr/lr-lxc', 'lr/lr-hostname', 'lr/lr-bond-activation' and 'lr/lr-ck-error' into integration