assert_return(client->index > 0, -EINVAL);
assert_return(client->state != state, -EINVAL);
+ log_dhcp6_client(client, "client state %d new state %d", client->state, state);
client->timeout_resend_expire =
sd_event_source_unref(client->timeout_resend_expire);
client->timeout_resend = sd_event_source_unref(client->timeout_resend);