r0 = syz_init_net_socket$802154_dgram(0x24, 0x2, 0x0)
sendmmsg(r0, &(0x7f0000002600)=[{{&(0x7f0000000140)=@l2tp={0x2, 0x0, @empty}, 0x80, 0x0}}, {{&(0x7f0000000040)=@in6={0xa, 0x0, 0x4000000, @remote}, 0x80, 0x0}}], 0x2, 0x0)