r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x22, &(0x7f0000000280)=0x1, 0x4) sendmsg$inet6(r0, &(0x7f00000001c0)={&(0x7f0000000080)={0xa, 0x0, 0x0, @dev, 0x5}, 0x1c, &(0x7f0000000100)=[{&(0x7f00000000c0)="1f", 0x1}], 0x1}, 0x20000040)