r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_tcp_int(r0, 0x6, 0x2, &(0x7f0000000040)=0x81, 0x4)
getsockopt$inet6_tcp_int(r0, 0x6, 0x2, 0x0, &(0x7f0000000180))