Corpus for ioctl$sock_ipv6_tunnel_SIOCCHGPRL:

Coverage	Program
1417	openat$rfkill-signalfd4-syz_init_net_socket$802154_raw-bind$802154_raw-write-epoll_ctl$EPOLL_CTL_MOD-perf_event_open-socket$inet6_udp-connect$inet6-sendmmsg$inet6-socketpair-getsockopt$SO_TIMESTAMP-syz_init_net_socket$bt_l2cap-ioctl$sock_ipv6_tunnel_SIOCCHGTUNNEL-ioctl$sock_ipv6_tunnel_SIOCCHGPRL