r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
sendmmsg$inet6(r0, &(0x7f00000063c0)=[{{&(0x7f0000000000)={0xa, 0x0, 0x0, @loopback={0x0, 0x2}}, 0x1c, 0x0}}], 0x1, 0x20000000)
sendmmsg$inet6(r0, &(0x7f0000009180)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0)
setsockopt$inet6_tcp_int(r0, 0x6, 0x19, &(0x7f00000000c0), 0x4)